HD

Harry F. Duff

📍 Hayward, CA: #679 of 1,120 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,972,657 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4659322 Apparatus and method for producing a resealable container Leon L. Boudin 1987-04-21