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Inventor
HANNEMAN ROBERT HAROLD
US
2 patents
Patents
2 patents
US5735153A
Apr 7, 1998
Pin tumbler cylinder luck with shearable assembly pins and method and apparatus of manufacture
MASTER LOCK CO
17 citations
87
US5697239A
Dec 16, 1997
Pin tumbler cylinder lock with shearable assembly pins and method and apparatus of manufacture
MASTER LOCK CO
25 citations
87