Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352846 | Cleaning cloth | Michael Passler, Rolf Schumacher | 1982-10-05 |
| 4316931 | Planar textile structure with improved heat retention | Kurt M. Tischer, Walter Fottinger | 1982-02-23 |