Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330006 | Damping device for check valves | Jurgen Hoffmann | 1982-05-18 |
| 4315524 | Damping device for check valves | Jurgen Hoffmann | 1982-02-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330006 | Damping device for check valves | Jurgen Hoffmann | 1982-05-18 |
| 4315524 | Damping device for check valves | Jurgen Hoffmann | 1982-02-16 |