Joseph J. Parrock

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Milford, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Keylock with resettable, bendable lever tumblers
- Patent number 4,526,022
- Issue date Jul 2, 1985
- American Standard Inc.
- Joseph J. Parrock
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Changeable keylock having tumblers with shiftable pivot seats
- Patent number 4,516,417
- Issue date May 14, 1985
- American Standard Inc.
- Joseph J. Parrock
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Direct dial combination lock with driver-cammed reciprocating tumbl...
- Patent number 4,238,942
- Issue date Dec 16, 1980
- The Mosler Safe Company
- Joseph J. Parrock
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES