Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364629 | Operation microscope having a small working distance | Franz Muchel | 1982-12-21 |
| 4341435 | Stereoscopic microscope for multiple observation | Ortwin Muller, Alfons Neidlinger | 1982-07-27 |