Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842015 | Check valve | Peter Schiwik, Gerd Rover | 1989-06-27 |
| 4755196 | Air-drying apparatus | Josef Frania, Erich Seewald | 1988-07-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842015 | Check valve | Peter Schiwik, Gerd Rover | 1989-06-27 |
| 4755196 | Air-drying apparatus | Josef Frania, Erich Seewald | 1988-07-05 |