DS

David Y. Sim

SC Schramm: 1 patents #3 of 7Top 45%
📍 Media, PA: #239 of 402 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #2,927,918 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9551193 Drill pipe handling apparatus having improved pipe gripping mechanism Chris Cheeseman, Paul T. DiZillo 2017-01-24