JJ

John R. Zentner, Jr.

📍 Calabasas, CA: #38 of 235 inventorsTop 20%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #91,997 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4805916 Game of skill and coordination: ring ball — 1989-02-21