Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12414242 | Method for ink jet printing of a substrate | David C. Hahn, Jan Schönefeld, Carsten Schimansky | 2025-09-09 |
| 11330719 | Method for producing a labeled printed circuit board | David C. Hahn, Jan Schönefeld, Carsten Schimansky | 2022-05-10 |
| 7753323 | V-lift | — | 2010-07-13 |
| 4738521 | Lens for indirect ophthalmoscopy | — | 1988-04-19 |
| 4721378 | Condensing-image forming optical system for indirect ophthalmoscopy | — | 1988-01-26 |
| 4710193 | Accommodating intraocular lens and lens series and method of lens selection | — | 1987-12-01 |
| 4682866 | Head-borne binocular indirect ophthalmoscope with integrated telescope | — | 1987-07-28 |
| 4640595 | Aspheric contact lens | — | 1987-02-03 |
| 4627694 | Indirect ophthalmoscopy lens for use with slit lamp biomicroscope | — | 1986-12-09 |