Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805681 | Control valve for influencing the tire pressure of a vehicle wheel | Karl-Otto Vollmer | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805681 | Control valve for influencing the tire pressure of a vehicle wheel | Karl-Otto Vollmer | 1989-02-21 |