JB

Jack Barcewski

📍 San Rafael, CA: #575 of 869 inventorsTop 70%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,861,879 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5157843 High accuracy self-setting plumb bob with slide hammer — 1992-10-27