Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684633 | Polymeric reflective materials utilizing a back light source | William G. Lutz, Gregg A. Motter | 1997-11-04 |
| 5612820 | Birefringent interference polarizer | Walter J. Schrenk, Victor S. Chang | 1997-03-18 |