Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11298016 | Positioning unit and examination device | — | 2022-04-12 |
| 10390697 | Trial frame | — | 2019-08-27 |
| 10271724 | Trial frame | — | 2019-04-30 |
| 10188283 | Trial Frame | — | 2019-01-29 |
| 9155593 | Positioning unit and monitoring device | Guenter Pfeiffer, Rainer Kirchhuebel | 2015-10-13 |
| 8579440 | Eyesight testing apparatus | Rainer Kirchhuebel | 2013-11-12 |
| 8072701 | Positioning apparatus for an optical element | Günter Pfeiffer | 2011-12-06 |
| D559709 | Measuring instrument | — | 2008-01-15 |
| 5870168 | Vision-testing device | Rainer Kirchhuebel | 1999-02-09 |
| 5793469 | Variable distance, variable test object sight testing apparatus | Rainer Kirchhubel | 1998-08-11 |