Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350757 | Method for making visible residual moisture distributions in photographic wet film layers subjected to an oncoming flow | Gert Mages, Heinrich Opitz | 1982-09-21 |
| 4346166 | Method of making families of steady-state heat transfer coefficient curves visible by photochemical means | Heinrich Optiz | 1982-08-24 |