Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819541 | Control of a double-action pneumatic drive | Franz F. Pitsch, Hans E. Winkelmann, Helmut W. Frohnheiser | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819541 | Control of a double-action pneumatic drive | Franz F. Pitsch, Hans E. Winkelmann, Helmut W. Frohnheiser | 1989-04-11 |