TREA

William A. Krupicka

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  • Charlotte, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exit device
    • Patent number 4,598,939
    • Issue date Jul 8, 1986
    • Scovill Inc.
    • William A. Krupicka
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Padlock having a replaceable cylinder
    • Patent number 4,404,825
    • Issue date Sep 20, 1983
    • Scovill Inc.
    • David Dixon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Securing device comprising padlock and anchored housing
    • Patent number 4,300,370
    • Issue date Nov 17, 1981
    • Scoville Inc.
    • Donald J. Kaiser
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES