TREA

Joanna Louise Williams

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  • Peoria, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Particulate trap
    • Patent number 7,185,489
    • Issue date Mar 6, 2007
    • Caterpillar Inc.
    • Owen Charles Kolstad
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Particulate trap
    • Patent number 7,169,200
    • Issue date Jan 30, 2007
    • Caterpillar Inc.
    • Owen Charles Kolstad
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    Particulate trap
    • Publication number 20050138920
    • Publication date Jun 30, 2005
    • Owen Charles Kolstad
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Particulate trap
    • Publication number 20050139074
    • Publication date Jun 30, 2005
    • Owen Charles Kolstad
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL