Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9877553 | Auto-illuminating walking assistant | — | 2018-01-30 |
| 7864840 | Scene-by-scene digital video processing | Scott Labrozzi, Philip G. Jacobsen | 2011-01-04 |
| 5803570 | Calibration system and method for display optical systems | Chungte W. Chen, David A. Ansley | 1998-09-08 |
| 5677788 | Two-stage projection system | Chungte W. Chen, David A. Ansley | 1997-10-14 |
| 5541769 | Uniform-brightness, high-gain display structures and methods | David A. Ansley, Ashok Sisodia | 1996-07-30 |