Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721029 | Pressurized fluid supply means for rescue tools | Robert J. Linster | 1988-01-26 |
| 4653978 | Relief valve system | H. Alfred Eberhardt | 1987-03-31 |
| 4587862 | Transmission for pumps | — | 1986-05-13 |
| 4448256 | Foam liquid proportioner | H. Alfred Eberhardt, Raymond R. Petersen | 1984-05-15 |