Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550564 | Engine surge prevention system | Robert S. Mazzawy, Howard Y. Stryker, James B. Kelly | 1985-11-05 |
DC
David J. Callahan
Overall (All Time): #4,024,045 of 4,157,543Top 100%
1
Patents All Time