Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4197723 | Stitch bonded fabrics, method and apparatus for making the same | Heinz Kemter, Wilfried Ponitz, Engelbert Ehrlich, Walter Politze, Walter Scholtis +1 more | 1980-04-15 |