Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7344427 | 150W-1000W MasterColor® ceramic metal halide lamp series with color temperature about 4000K, for high pressure sodium or quartz metal halide retrofit applications | Ray Gibson, Sarah A. Carleton, Shiming Wu, Louis N. Kowalczyk, Thomas Steere +4 more | 2008-03-18 |
| 7331837 | Coil antenna/protection for ceramic metal halide lamps | Ray Gibson, Sarah A. Carleton, Shiming Wu, Louis N. Kowalczyk, Thomas Steere +4 more | 2008-02-19 |
| 6861805 | Coil antenna/protection for ceramic metal halide lamps | Ray Gibson, Sarah A. Carleton, Shiming Wu, Louis N. Kowalczyk, Thomas Steere +4 more | 2005-03-01 |
| 6833677 | 150W-1000W mastercolor ceramic metal halide lamp series with color temperature about 4000K, for high pressure sodium or quartz metal halide retrofit applications | Ray Gibson, Sarah A. Carleton, Shiming Wu, Louis N. Kowalczyk, Thomas Steere +4 more | 2004-12-21 |
| 6555962 | Ceramic metal halide lamp having medium aspect ratio | Ray Gibson, Sarah A. Carleton | 2003-04-29 |
| 6172462 | Ceramic metal halide lamp with integral UV-enhancer | Ray Gibson, Samuel A. Carleton | 2001-01-09 |
| 6111359 | Integrated HID reflector lamp with HID arc tube in a pressed glass reflector retained in a shell housing a ballast | Dale E. Work, Mark W. Fellows, Gregory J. Nelson, Kent Collins, Robertus A. J. Keyser +6 more | 2000-08-29 |
| 5998939 | High frequency HID lamp system | Mark W. Fellows, Gregory J. Nelson, Robertus A. J. Keyser, Dale E. Work, Josephus C. M. Hendricx +3 more | 1999-12-07 |
| 5990599 | High-pressure discharge lamp having UV radiation source for enhancing ignition | Alleppey V. Hariharan, Randy J. Robinson, Albert E. Kowal, John Alderman | 1999-11-23 |
| 5828185 | High frequency HID lamp system with lamp driven at a frequency above the audible and below the lowest lamp resonant frequency | Mark W. Fellows, Gregory J. Nelson, Robertus A. J. Keyser, Dale E. Work, Josephus C. M. Hendricx +3 more | 1998-10-27 |
| 5661367 | High pressure series arc discharge lamp construction with simplified starting aid | Mark W. Fellows, Daniel Shumway | 1997-08-26 |