Robert Harold Hanneman

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Wind Lake, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Pin tumbler cylinder luck with shearable assembly pins and method a...
- Patent number 5,735,153
- Issue date Apr 7, 1998
- Master Lock Company
- Robert Harold Hanneman
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Pin tumbler cylinder lock with shearable assembly pins and method a...
- Patent number 5,697,239
- Issue date Dec 16, 1997
- Master Lock Company
- Robert Harold Hanneman
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES