Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856468 | Ball-and-socket joint | Walter Speil, Dieter Schmidt | 1989-08-15 |
| 4840160 | Valve control device | Dieter Schmidt | 1989-06-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856468 | Ball-and-socket joint | Walter Speil, Dieter Schmidt | 1989-08-15 |
| 4840160 | Valve control device | Dieter Schmidt | 1989-06-20 |