Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580617 | Method for manufacturing tin-coated strips or sheets from copper or a copper alloy | Stefan Hoveling | 1996-12-03 |
| 4413768 | Method of making a multi-bore element | Wolfgang Niwiera, Franz-Josef Holtorf | 1983-11-08 |