TREA

James P. Davidson

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  • Aptos, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic combination lock
    • Patent number 7,712,341
    • Issue date May 11, 2010
    • Fritz Hugo Johansson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Dual key pod data entry device
    • Patent number 7,674,053
    • Issue date Mar 9, 2010
    • Lindsay A. Davidson
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Electronic Combination Lock
    • Publication number 20080060393
    • Publication date Mar 13, 2008
    • Fritz Hugo Johansson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES