Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DC

David Coffman

VAValenite: 1 patents #34 of 66Top 55%
Glendora, CA: #138 of 353 inventorsTop 40%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,249,310 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D409633 Polygonal indexable cutting insert Thomas J. Bernadic, Sanjay Sarnaik 1999-05-11
D306131 Illuminated holder for combination padlocks 1990-02-20