Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659951 | Brushless blower motor with load proportional cooling for control circuitry | Donald F. Angi, Jack W. Savage | 1987-04-21 |
| 4231721 | Diaphragm pump | Rufus L. Hawk | 1980-11-04 |
RU
Ralph D. Unterborn
Overall (All Time): #2,342,312 of 4,157,543Top 60%
2
Patents All Time