Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623572 | Method and apparatus for producing textured napped surfaces | Hans U. Irrlitz, Hans Sommer | 1986-11-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623572 | Method and apparatus for producing textured napped surfaces | Hans U. Irrlitz, Hans Sommer | 1986-11-18 |