William A. Krupicka

Person

  • Roanoke, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Padlock with removable top closure

    • Patent number 4,158,952
    • Issue date Jun 26, 1979
    • Medeco Security Locks, Inc.
    • Roy N. Oliver
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES