Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497494 | Pressure activated seal ring | Alan Lee Brace | 1985-02-05 |
| 4342543 | Oil level control | Mark Perlick, Jack H. Van Gorder | 1982-08-03 |
KA
Karl Allen
Overall (All Time): #2,351,569 of 4,157,543Top 60%
2
Patents All Time