TS

T. Douglass Schaeffer

📍 Christiana, PA: #9 of 16 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,654,677 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D412097 Utility knife — 1999-07-20