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John F. Simpson

AI Amsted Industries Incorporated: 1 patents #99 of 219Top 50%
DR Dravo: 1 patents #27 of 74Top 40%
📍 Brooks Road, CA: #333 of 1,361 inventorsTop 25%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,283,569 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5938516 Grinding wheel and method for removal of sprues and riser pads from cast railcar wheels Brian L. VanLaar, Gary W. Bendik 1999-08-17
D277595 Swim fin 1985-02-12
D270926 Swim fin 1983-10-11
4405050 Quick roll adjustment for a roller screen conveyor Edward A. Fenton, Jr. 1983-09-20