Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784603 | Fluorescent lighting apparatus | William A. Parkyn | 2004-08-31 |
| 6744960 | Lighting apparatus having quantum dot layer | — | 2004-06-01 |
| 6647199 | Lighting apparatus having low profile | John M. Popovich, Yong Qiao | 2003-11-11 |
| 6637924 | Strip lighting apparatus and method | William A. Parkyn | 2003-10-28 |
| 6603243 | LED light source with field-of-view-controlling optics | William A. Parkyn | 2003-08-05 |
| 6582103 | Lighting apparatus | John M. Popovich, William A. Parkyn, Michael J. Popovich, Eric Pelka | 2003-06-24 |
| 6566824 | Flexible lighting segment | George W. Panagotacos | 2003-05-20 |
| 6560038 | Light extraction from LEDs with light pipes | William A. Parkyn | 2003-05-06 |
| 6473554 | Lighting apparatus having low profile | John M. Popovich | 2002-10-29 |
| 6177761 | LED with light extractor | Roland Winston, William A. Parkyn | 2001-01-23 |
| 6134092 | Illumination device for non-emissive displays | John M. Popovich, Thomas William Dowland, Jr. | 2000-10-17 |
| 6007209 | Light source for backlighting | — | 1999-12-28 |
| 5826874 | Magnetic golf club swing sensor and golf simulator | Murray Teitell, Mathiew Bais | 1998-10-27 |
| 5806955 | TIR lens for waveguide injection | William A. Parkyn | 1998-09-15 |
| 5728006 | Magnetic golf club swing sensor and golf simulator | Murray Teitell | 1998-03-17 |
| 5721795 | High efficiency ejection of light from optical wave guide, by holographically produced light scattering means | — | 1998-02-24 |
| 5676453 | Collimating TIR lens devices employing fluorescent light sources | William A. Parkyn | 1997-10-14 |
| 5655832 | Multiple wavelength light processor | William A. Parkyn | 1997-08-12 |
| 5613769 | Tir lens apparatus having non-circular configuration about an optical axis | William A. Parkyn | 1997-03-25 |
| 5577493 | Auxiliary lens to modify the output flux distribution of a TIR lens | William A. Parkyn | 1996-11-26 |
| 5577492 | Collimating TIR lens with focusing filter lens | William A. Parkyn | 1996-11-26 |
| 5404869 | Faceted totally internally reflecting lens with individually curved faces on facets | William A. Parkyn, John M. Popovich | 1995-04-11 |
| 5365354 | Grin type diffuser based on volume holographic material | Tomasz Jannson, Tin M. Aye | 1994-11-15 |
| 5276537 | Diamondlike carbon thin film protected hologram and method of making same | Gajendra D. Savant, Christopher Chapman Rich | 1994-01-04 |
| 4836862 | Thermophotovoltaic system | John M. Popovich, Roc V. Fleishman | 1989-06-06 |