Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4245397 | Apparatus for drying webs of photographic paper or the like | Erwin Laar, Thomas Hammer | 1981-01-20 |
| 4181270 | Apparatus for winding webs of photographic paper of the like | Erwin Laar, Thomas Hammer | 1980-01-01 |