Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7368916 | Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps | Robert T. Nachtrieb, Farheen Khan, Mark Alan Hartfield, Mark S. Taipale, Renzo Corrado DeMeo +1 more | 2008-05-06 |
| 7339322 | Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps | Robert T. Nachtrieb, Farheen Khan, Mark Alan Hartfield, Mark S. Taipale, Renzo Corrado DeMeo +1 more | 2008-03-04 |
| 7323877 | Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps | Robert T. Nachtrieb, Farheen Khan, Mark Alan Hartfield, Mark S. Taipale, Renzo Corrado DeMeo +1 more | 2008-01-29 |
| 7259519 | Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps | Robert T. Nachtrieb, Farheen Khan, Mark Alan Hartfield, Mark S. Taipale, Renzo Corrado DeMeo +1 more | 2007-08-21 |
| 7224124 | Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps | Robert T. Nachtrieb, Farheen Khan, Mark Alan Hartfield, Mark S. Taipale, Renzo Corrado DeMeo +1 more | 2007-05-29 |
| 7196476 | Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps | Robert T. Nachtrieb, Farheen Khan, Mark Alan Hartfield, Mark S. Taipale, Renzo Corrado DeMeo +1 more | 2007-03-27 |
| 7116055 | Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps | Robert T. Nachtrieb, Farheen Khan, Mark Alan Hartfield, Mark S. Taipale, Renzo Corrado DeMeo +1 more | 2006-10-03 |
| 7002301 | Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps | Robert T. Nachtrieb, Farheen Khan, Mark Alan Hartfield, Mark S. Taipale, Renzo Corrado DeMeo +1 more | 2006-02-21 |
| 6605888 | Metal halide lamp with enhanced red emission, in excess of a blackbody | Timothy Kelly, Stefaan Lambrechts, Jakob Maya | 2003-08-12 |
| 5834904 | Means for suppressing electromagnetic interference from RF-excited light sources | — | 1998-11-10 |
| 5757130 | Lamp with electrodes for increased longevity | James T. Dolan, Michael G. Ury, Charles H. Wood | 1998-05-26 |
| 5690421 | Display lighting with matched narrow band filter and light source | Michael J. Shea, Jakob Maya | 1997-11-25 |
| 5512799 | Glowbottle starting device for gaseous discharge devices | — | 1996-04-30 |
| 5095245 | Electroluminescent device | — | 1992-03-10 |
| 5079473 | Optical light source device | — | 1992-01-07 |
| 5051649 | Arc discharge lamp with liquid metal and heating means | — | 1991-09-24 |
| 5017831 | Glow discharge lamp with getter material on anode | Andre C. Bouchard | 1991-05-21 |
| 4895420 | High reflectance light guide | — | 1990-01-23 |
| 4841196 | Two-filament lamp and operating circuit and method for designing same | — | 1989-06-20 |
| 4812714 | Arc discharge lamp with electrodeless ultraviolet radiation starting source | William M. Keeffe, Gregory Zaslavsky | 1989-03-14 |
| 4488091 | High intensity discharge lamp | Martin E. Muzeroll, Robert P. Bonazoli, Robert J. Karlotski | 1984-12-11 |
| 4278310 | Method of making a percussively-ignited photoflash lamp | Andre C. Bouchard, Richard A. Fowler, Harold H. Hall, Jr. | 1981-07-14 |
| 4233536 | Incandescent lamp getter | Edmund M. Passmore, George L. Duggan | 1980-11-11 |
| 4201540 | Percussively ignited photoflash lamp and method of making same | Andre C. Bouchard, Richard A. Fowler, Harold H. Hall, Jr. | 1980-05-06 |