Joseph J. Parrock

AS American Standard: 2 patents #187 of 558Top 35%

📍 Milford, OH: #86 of 263 inventorsTop 35%

🗺 Ohio: #23,384 of 73,341 inventorsTop 35%

Overall (All Time): #1,679,777 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4526022	Keylock with resettable, bendable lever tumblers	—	1985-07-02
4516417	Changeable keylock having tumblers with shiftable pivot seats	—	1985-05-14
4238942	Direct dial combination lock with driver-cammed reciprocating tumblers and scrambled combs	—	1980-12-16