RP

Richard D. Preston

TD Twin Disc: 1 patents #26 of 44Top 60%
📍 Rockford, IL: #782 of 1,291 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,083,362 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4249647 Friction clutch having a centrifugally actuated hydraulic control valve Joseph B. Snoy 1981-02-10