Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632845 | Method for welding tubular parts | Richard Stehle | 1997-05-27 |
| 5622592 | Apparatus for welding shaped workpieces formed from a plastic material | Ernst Tanner | 1997-04-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632845 | Method for welding tubular parts | Richard Stehle | 1997-05-27 |
| 5622592 | Apparatus for welding shaped workpieces formed from a plastic material | Ernst Tanner | 1997-04-22 |