<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 1.0.0.0 (2008-04-17 05:55).  
Contact www.ubmatrix.com
Copyright (c) 2002-2008 UBmatrix inc., All Rights Reserved
Produced on 2008-04-18 07:24:04
-->
<schema
  xmlns="http://www.w3.org/2001/XMLSchema"
  xmlns:xbrli="http://www.xbrl.org/2003/instance"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:pattern="http://xbrls.org/2008/xbrls/metapattern/record"
  xmlns:xbrls="http://xbrls.org/2008/xbrls"
  xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
  targetNamespace="http://xbrls.org/2008/xbrls/metapattern/record"
  elementFormDefault="qualified"
  attributeFormDefault="unqualified">
  <annotation>
    <appinfo>
      <link:roleType
        roleURI="http://xbrls.org/2008/xbrls/metapattern/record/LeaseHoldLandAndBuildings"
        id="DirectorCompensation">
        <link:definition>26300 - Schedule KF, Part 3: Leasehold Land and Buildings</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple"
        xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef"
        xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"
        xlink:href="MultiplePeriodsCompoundConcept-label.xml"
        xlink:title="Label Links, all" />
      <link:linkbaseRef xlink:type="simple"
        xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"
        xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"
        xlink:href="MultiplePeriodsCompoundConcept-definition.xml"
        xlink:title="Definition Links, all" />
      <link:linkbaseRef xlink:type="simple"
        xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"
        xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"
        xlink:href="MultiplePeriodsCompoundConcept-presentation.xml"
        xlink:title="Presentation Links, all" />
    </appinfo>
  </annotation>
  <import
    namespace="http://www.xbrl.org/2003/instance"
    schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import
    namespace="http://xbrls.org/2008/xbrls"
    schemaLocation="http://xbrl.squarespace.com/storage/xbrls/2008/xbrls-2008.xsd" />
  <import
    namespace="http://xbrl.org/2005/xbrldt"
    schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import
    namespace="http://www.xbrl.org/2004/ref"
    schemaLocation="http://www.xbrl.org/2004/ref-2004-08-10.xsd" />
  <import
    namespace="http://www.xbrl.org/2003/linkbase"
    schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <element
    id="pattern_CaliforniaMember"
    name="CaliforniaMember"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_LeaseholdAMember"
    name="LeaseholdAMember"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_LeaseholdBMember"
    name="LeaseholdBMember"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingIdentifierAxis"
    name="LeaseholdLandAndBuildingIdentifierAxis"
    type="xbrli:stringItemType"
    substitutionGroup="xbrldt:dimensionItem"
    xbrli:periodType="duration"
    abstract="true"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingLineItems"
    name="LeaseholdLandAndBuildingLineItems"
    type="xbrli:stringItemType"
    substitutionGroup="xbrls:lineItemsGroup"
    xbrli:periodType="duration"
    abstract="true"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingRecord"
    name="LeaseholdLandAndBuildingRecord"
    type="xbrli:stringItemType"
    substitutionGroup="xbrls:recordGroup"
    xbrli:periodType="duration"
    abstract="true"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingsDescriptionOfFacility"
    name="LeaseholdLandAndBuildingsDescriptionOfFacility"
    type="xbrls:textItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingsDetailsTextBlock"
    name="LeaseholdLandAndBuildingsDetailsTextBlock"
    type="xbrls:textBlockItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingsLandArea"
    name="LeaseholdLandAndBuildingsLandArea"
    type="xbrli:decimalItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingsLocation"
    name="LeaseholdLandAndBuildingsLocation"
    type="xbrls:textItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingsTenure"
    name="LeaseholdLandAndBuildingsTenure"
    type="xbrls:textItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingsTenureStartDate"
    name="LeaseholdLandAndBuildingsTenureStartDate"
    type="xbrli:dateItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandAndBuildingsValueAtCost"
    name="LeaseholdLandAndBuildingsValueAtCost"
    type="xbrli:monetaryItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="pattern_LeaseholdLandBuildingsSchedule"
    name="LeaseholdLandBuildingsSchedule"
    type="xbrli:stringItemType"
    substitutionGroup="xbrldt:hypercubeItem"
    xbrli:periodType="duration"
    abstract="true"
    nillable="true" />
  <element
    id="pattern_LeaseholdsAllDomain"
    name="LeaseholdsAllDomain"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_OregonMember"
    name="OregonMember"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_StateAxis"
    name="StateAxis"
    type="xbrli:stringItemType"
    substitutionGroup="xbrldt:dimensionItem"
    xbrli:periodType="duration"
    abstract="true"
    nillable="true" />
  <element
    id="pattern_StatesAllDomain"
    name="StatesAllDomain"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
  <element
    id="pattern_WashingtonMember"
    name="WashingtonMember"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="duration"
    nillable="true" />
</schema>