Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6180955 | Integrating optical collector with reduced re-illumination of phosphor sheet | David E. Doggett | 2001-01-30 |
| 5598008 | Wavelength selective light collector system | — | 1997-01-28 |
| 5085506 | Apparatus and method of forming and projecting high precision optical images | Frederic J. Kahn, Paul N. Kendrick, Jerry Leff, Bryan E. Loucks, David E. Stepner +1 more | 1992-02-04 |
| 4969734 | Apparatus and method of forming and projecting high precision optical images | Frederic J. Kahn, Paul N. Kendrick, Jerry Leff, Bryan E. Loucks, David E. Stepner +1 more | 1990-11-13 |
| 4818098 | Apparatus and method of forming and projecting high precision optical images | Frederic J. Kahn, Paul N. Kendrick, Jerry Leff, Bryan E. Loucks, David E. Stepner +1 more | 1989-04-04 |