DS

David W. Coffin, Sr.

📍 Prospect Park, PA: #11 of 22 inventorsTop 50%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,301,433 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5205473 Recyclable corrugated beverage container and holder — 1993-04-27
4244273 Rifle modification Walter J. Langendorfer, Jr. 1981-01-13