TREA

Gene A. Hemmerling

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  • Richmond, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fire door assembly
    • Patent number 4,467,562
    • Issue date Aug 28, 1984
    • American Metal Door Company, Inc.
    • Gene A. Hemmerling
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Pass door assembly
    • Patent number 4,461,120
    • Issue date Jul 24, 1984
    • American Metal Door Company, Inc.
    • Gene A. Hemmerling
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS