Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875716 | Jointed pipe connection, particularly for automotive exhaust pipes | Wilfried Winzen | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875716 | Jointed pipe connection, particularly for automotive exhaust pipes | Wilfried Winzen | 1989-10-24 |