Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808267 | Waterproof photographic paper support | Alois-Bernhard Kerkhoff, Wolfgang Storbeck | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808267 | Waterproof photographic paper support | Alois-Bernhard Kerkhoff, Wolfgang Storbeck | 1989-02-28 |