TREA

Pearson; Robert J.

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  • Clarkston, MI, US
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  • Information Patent Grant

    Doorbar system
    • Patent number 3,980,328
    • Issue date Sep 14, 1976
    • Pearson; Robert J.
    • Ernest A. Pearson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

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