Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408346 | Optical collimating device employing cholesteric liquid crystal and a non-transmissive reflector | Richard Trissel | 1995-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408346 | Optical collimating device employing cholesteric liquid crystal and a non-transmissive reflector | Richard Trissel | 1995-04-18 |