TREA

Katherine A. Bergfeld

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  • Waterville, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Expandable sealing mechanism
    • Patent number 10,563,805
    • Issue date Feb 18, 2020
    • Press-Seal Corporation
    • James W. Skinner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Expandable sealing mechanism
    • Patent number D814285
    • Issue date Apr 3, 2018
    • Press-Seal Corporation
    • Graham E. Blackwood
    • D08 - Tools and hardware
  • Information Patent Grant

    Expandable sealing mechanism
    • Patent number D813661
    • Issue date Mar 27, 2018
    • Press-Seal Corporation
    • Graham E. Blackwood
    • D08 - Tools and hardware
  • Information Patent Grant

    Expandable sealing mechanism
    • Patent number 9,644,768
    • Issue date May 9, 2017
    • Press-Seal Corporation
    • James W. Skinner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Expandable sealing mechanism
    • Patent number D752968
    • Issue date Apr 5, 2016
    • Press-Seal Gasket Corporation
    • Graham E. Blackwood
    • D08 - Tools and hardware
  • Information Patent Grant

    Trailer door seal
    • Patent number 8,839,564
    • Issue date Sep 23, 2014
    • Press-Seal Gasket Corporation
    • Andrew J. Happel
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    EXPANDABLE SEALING MECHANISM
    • Publication number 20170198850
    • Publication date Jul 13, 2017
    • Press-Seal Corporation
    • James W. Skinner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    ROLL-UP DOOR SEAL
    • Publication number 20150082704
    • Publication date Mar 26, 2015
    • PRESS-SEAL GASKET CORPORATION
    • Jimmy D. Gamble
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    TRAILER DOOR SEAL
    • Publication number 20140352227
    • Publication date Dec 4, 2014
    • PRESS-SEAL GASKET CORPORATION
    • Andrew J. Happel
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    EXPANDABLE SEALING MECHANISM
    • Publication number 20140191503
    • Publication date Jul 10, 2014
    • James W. Skinner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    TRAILER DOOR SEAL
    • Publication number 20120023829
    • Publication date Feb 2, 2012
    • PRESS-SEAL GASKET CORPORATION
    • Andrew J. Happel
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL