TREA

Tom W. Duffy

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  • Stow, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door closer hold-open apparatus
    • Patent number 6,981,295
    • Issue date Jan 3, 2006
    • Tom W. Duffy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer hold-open apparatus
    • Patent number 6,904,643
    • Issue date Jun 14, 2005
    • Tom W. Duffy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    Door closer hold-open apparatus
    • Publication number 20050155179
    • Publication date Jul 21, 2005
    • Tom W. Duffy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Door closer hold-open apparatus
    • Publication number 20040168284
    • Publication date Sep 2, 2004
    • Tom W. Duffy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES