TREA

Randall Ammentorp

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  • Wauwatosa, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Quick oil change filter and assembly
    • Patent number 12,168,188
    • Issue date Dec 17, 2024
    • Briggs & Stratton, LLC
    • Elizabeth Woytach
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Oil filter
    • Patent number D990645
    • Issue date Jun 27, 2023
    • Briggs & Stratton, LLC
    • Elizabeth Woytach
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Quick oil change filter and assembly
    • Patent number 11,571,640
    • Issue date Feb 7, 2023
    • Briggs & Stratton, LLC
    • Elizabeth Woytach
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil filter
    • Patent number D920470
    • Issue date May 25, 2021
    • Briggs & Stratton, LLC
    • Elizabeth Woytach
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

  • Information Patent Application

    QUICK OIL CHANGE FILTER AND ASSEMBLY
    • Publication number 20230173412
    • Publication date Jun 8, 2023
    • Briggs & Stratton, LLC
    • Elizabeth Woytach
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    QUICK OIL CHANGE FILTER AND ASSEMBLY
    • Publication number 20210023480
    • Publication date Jan 28, 2021
    • Briggs & Stratton Corporation
    • Elizabeth Woytach
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES