TREA

James L. Welch

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  • Waukesha, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pick-resistant wafer tumbler lock with sidebars
    • Patent number 7,225,651
    • Issue date Jun 5, 2007
    • Master Lock Company LLC
    • Billy B. Edwards
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Pick-resistant wafer tumbler lock with sidebars
    • Patent number 6,978,647
    • Issue date Dec 27, 2005
    • Master Lock Company
    • Billy B. Edwards, Jr.
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Combination lock
    • Patent number 6,434,981
    • Issue date Aug 20, 2002
    • Master Lock Company
    • Steven A. Fantl
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents