Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406855 | Leak detection installation | Hans-Georg Schwiers, Josef Schoening | 1983-09-27 |
| 4195457 | Closure device for pressure vessels | Erich Filser | 1980-04-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406855 | Leak detection installation | Hans-Georg Schwiers, Josef Schoening | 1983-09-27 |
| 4195457 | Closure device for pressure vessels | Erich Filser | 1980-04-01 |