TREA

Henry R. Gilchrist

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  • Burlington, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic door hardware
    • Patent number 4,434,524
    • Issue date Mar 6, 1984
    • Eckel Industries, Inc.
    • Henry R. Gilchrist
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Yieldable door body
    • Patent number 3,979,872
    • Issue date Sep 14, 1976
    • Eckel Industries, Inc.
    • Henry R. Gilchrist
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS