Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8189277 | Recessed optical surfaces | Michael R. Feldman, James E. Morris, Paul Elliott, David A. Keller, W. Hudson Welch +3 more | 2012-05-29 |
| 6940598 | Multi-channel optical detection system | Lee A. Christel, M. Allen Northrup, Kurt E. Petersen, William A. McMillan, Gregory T. Kovacs +4 more | 2005-09-06 |
| 6603443 | Compact display system controlled by eye position sensory system | Alfred P. Hildebrand | 2003-08-05 |
| 6433935 | Display illumination system | Michael J. Curley, Chih-Li Chuang, Zheng Li | 2002-08-13 |
| 6404557 | Display illumination system | Michael J. Curley, Chih-Li Chuang, Zheng Li | 2002-06-11 |
| 6369893 | Multi-channel optical detection system | Lee A. Christel, M. Allen Northrup, Kurt E. Petersen, William A. McMillan, Gregory T. Kovacs +4 more | 2002-04-09 |
| 6275714 | Phone with ergonomic virtual image display | David L. Phillips | 2001-08-14 |
| 6191759 | Virtual reality system with a static light emitting surface and magnifying optical system | — | 2001-02-20 |
| 6118414 | Virtual reality system and method | — | 2000-09-12 |
| 6094181 | Miniature synthesized virtual image electronic display | Alfred P. Hildebrand | 2000-07-25 |
| 6055110 | Compact display system controlled by eye position sensor system | Alfred P. Hildebrand | 2000-04-25 |
| 5991084 | Compact compound magnified virtual image display with a reflective/transmissive optic | Alfred P. Hildebrand | 1999-11-23 |
| 5973845 | Miniature synthesized virtual image electronic display | Alfred P. Hildebrand | 1999-10-26 |
| 5959781 | Optical method employing total internal reflection | Alfred P. Hildebrand | 1999-09-28 |
| 5905478 | Twice folded compound magnified virtual image electronic display | Alfred P. Hildebrand | 1999-05-18 |
| 5892624 | Compact display system with two stage magnification and immersed beam splitter | Alfred P. Hildebrand | 1999-04-06 |
| 5870068 | Twice folded compound magnified virtual image electronic display | Alfred P. Hildebrand | 1999-02-09 |
| 5838498 | Miniature synthesized virtual image electronic display | Alfred P. Hildebrand | 1998-11-17 |
| 5771124 | Compact display system with two stage magnification and immersed beam splitter | Alfred P. Hildebrand | 1998-06-23 |
| 5754212 | Resistive heating technique for creating patterned ornaments | — | 1998-05-19 |
| 5684497 | Twice folded compound magnified virtual image electronic display | Alfred P. Hildebrand | 1997-11-04 |
| 5644323 | Miniature synthesized virtual image electronic display | Alfred P. Hildebrand | 1997-07-01 |
| 5625372 | Compact compound magnified virtual image electronic display | Alfred P. Hildebrand | 1997-04-29 |
| 5351121 | Solid-state laser Fourier-Transform Raman Spectrometer | Thomas M. Baer, Kelly A. Cox, Phillip Gooding, John Cole, David F. Head | 1994-09-27 |
| 5038353 | Method and apparatus for lasing | Leon Esterowitz, Roger E. Allen | 1991-08-06 |