DM

David L. Machamer

HU Hutchinson: 1 patents #188 of 442Top 45%
📍 Malvern, PA: #338 of 529 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,367,862 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7438366 Replacement wheel and contact ring therefor Larry K. Rogers, Jinjun Wang 2008-10-21