TREA

Ernest B. Symon

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  • South Bend, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Building entrance
    • Patent number 4,488,378
    • Issue date Dec 18, 1984
    • Kawneer Company, Inc.
    • Ernest B. Symon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Safety flush bolt entrance door system
    • Patent number 4,283,882
    • Issue date Aug 18, 1981
    • Kawneer Company, Inc.
    • S. Eugene Hubbard
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES