Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835850 | Apparatus for joining pieces of sheet metal | Hans Maass | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835850 | Apparatus for joining pieces of sheet metal | Hans Maass | 1989-06-06 |