TREA

Fred C. Saffrahn

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  • Crete, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety roller assembly for plug doors
    • Patent number 4,142,328
    • Issue date Mar 6, 1979
    • Pullman Incorporated
    • Fred C. Saffrahn
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES