Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542919 | Peritoneal dialysis device | Wolfgang-Alexander Simon, Gunther Pototzky, Rolf Groos | 1996-08-06 |
| 5074732 | Method of producing a can end from metal | — | 1991-12-24 |
| 4842469 | Device for applying a viscous sealant in annular form onto a substantially flat surface, specifically to a can end | — | 1989-06-27 |
| 4802603 | Easy open can end | Hans-Dieter Joge, Wilhelm R. Sauer, Abraham C. Spruit | 1989-02-07 |
| 4328512 | Two-element semiconductor diode rectifier assembly structure | Klaus Heyke, Istvan Ragaly | 1982-05-04 |
| 4314271 | Two semiconductor diode rectifier structure | Klaus Heyke, Istvar Ragaly | 1982-02-02 |
| 4203020 | Method of resistance welding wires to a massive workpiece | Franz O. Armbruster, Albano Paoli, Gerd Bassler, Hans-Peter Sitka | 1980-05-13 |