Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7106504 | Enhanced shutter control for images that are faded into a stereo microscope | Jacques Deverin, Jurgen Mannss, Jacques Alain Dverin, deceased | 2006-09-12 |
| 6765718 | Stereo surgical microscope having an apparatus for reflecting in information | Roger Spink, Gunther Wohlgenannt | 2004-07-20 |
| 6661572 | Enhanced shutter control for image insertion in a stereo microscope | Roger Spink, Jacques Deverin, Juergen Mannss | 2003-12-09 |
| 6643070 | Viewing tube for an optical device | Jacques Deverin | 2003-11-04 |
| 5265168 | Hearing aid | Hans-Rudolf Schiess | 1993-11-23 |