FH

Fred C. Heinzman

📍 Del Mar, CA: #526 of 784 inventorsTop 70%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,876,941 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5017851 Mechanical rotating combination lock opening device — 1991-05-21