Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867853 | Process of producing phosphate coatings | Dieter Hauffe, Rainer Kuhna, Werner Rausch, Helmut Schumichen | 1989-09-19 |
| 4862709 | Stitch-forming knitting machine | Werner Engelfried | 1989-09-05 |
| 4838048 | Knitting machine | Werner Engelfried | 1989-06-13 |
| 4836203 | Device for therapeutical irradiation of organic tissue by laser radiation | Peter Greve | 1989-06-06 |