Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967774 | Microscope for the wide-angle viewing, in particular for eye surgeries | Rainer Kirchhuebel | 2005-11-22 |
| 6788455 | Microscope for the wide-angle viewing, in particular for eye surgeries | Rainer Kirchhuebel | 2004-09-07 |
| 6439721 | Device for viewing the fundus of the eye | Rainer Kirchhuebel | 2002-08-27 |
| 6212006 | Stereoscopic microscope | — | 2001-04-03 |
| 6196686 | Optic system for viewing and for photographing the inside of an eye | — | 2001-03-06 |
| 5255027 | Eye testing device | Rainer Kirchhubel | 1993-10-19 |
| 5009487 | Prism system for a stereoscopic microscope | — | 1991-04-23 |
| 4723842 | Stereoscopic surgery microscope for eye surgery with selective image reversal | Lorenz Twisselmann | 1988-02-09 |
| 4710000 | Surgical stereomicroscope | Manfred Spitznas, Wolfgang Veit, Rainer Kirchhuebel | 1987-12-01 |
| 4560255 | Enlarging and reading apparatus | — | 1985-12-24 |
| 4403842 | Apparatus for testing twilight vision and blinding sensitivity | Elfriede Aulhorn, Jakob Kocher | 1983-09-13 |
| 4283126 | Method and apparatus for eye refraction determination | — | 1981-08-11 |
| 4274715 | Method and apparatus for the projection of optical test objects | — | 1981-06-23 |