Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364971 | Waterproof photographic paper and method of producing same | Wieland Sack, Reiner Anthonsen | 1982-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364971 | Waterproof photographic paper and method of producing same | Wieland Sack, Reiner Anthonsen | 1982-12-21 |