Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8405895 | Optical system with high contrast | Guido Hitschmann | 2013-03-26 |
| 7419272 | Day and night film | Guido Hitschmarin, Stefan Dietrich, Robert Bennett, Paul E. Humpal, Keith M. Kotchick | 2008-09-02 |
| 7285802 | Illumination assembly and method of making same | Andrew J. Ouderkirk, Hung T. Tran, John C. Schultz, John A. Wheatley, Joseph A. Hoffman +3 more | 2007-10-23 |