Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627802 | Rotary vane compressor with inlet and outlet valves in the rotor | Rudolph N. J. Draaisma | 1986-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627802 | Rotary vane compressor with inlet and outlet valves in the rotor | Rudolph N. J. Draaisma | 1986-12-09 |