Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337738 | Valve control mechanism | William C. Bubniak | 1982-07-06 |
| 4245611 | Ceramic insulated engine pistons | Hal H. Rice | 1981-01-20 |
HM
Harry R. Mitchell
Overall (All Time): #2,367,112 of 4,157,543Top 60%
2
Patents All Time