LD

Louis G. Derouin

📍 Bon Accord, CA: #17 of 33 inventorsTop 55%
Overall (All Time): #3,941,668 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4880238 Locking puzzle — 1989-11-14