Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4568812 | Device for electric longitudinal-seam mash resistance welding | Rolf Ruhl, Gerhard Nockher | 1986-02-04 |
| 4414455 | Method of and apparatus for producing can bodies welded along the longitudinal seam | Franz Schneider, Zelimir Belamaric, Fred Schalch | 1983-11-08 |