Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850601 | Seal | Hans-Peter Maier | 1989-07-25 |
| 4836583 | Pipe connection for instruments or machines | Hans-Peter Maier | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850601 | Seal | Hans-Peter Maier | 1989-07-25 |
| 4836583 | Pipe connection for instruments or machines | Hans-Peter Maier | 1989-06-06 |