Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231721 | Diaphragm pump | Ralph D. Unterborn | 1980-11-04 |
| 4212272 | Idle speed control device for internal combustion engine | — | 1980-07-15 |
RH
Rufus L. Hawk
Overall (All Time): #2,373,748 of 4,157,543Top 60%
2
Patents All Time