Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774557 | Fluorescent lamp having reduced mercury consumption | — | 2004-08-10 |
| 6635363 | Phosphor coating with self-adjusting distance from LED chip | Steven Jude Duclos, Jacob Charles Bortscheller, Robert J. Wojnarowski | 2003-10-21 |
| 6531814 | Fluorescent lamp coating and coating recycling method | — | 2003-03-11 |
| 6528938 | Fluorescent lamp having a single composite phosphor layer | — | 2003-03-04 |
| 5838100 | Fluorescent lamp having phosphor layer with additive | — | 1998-11-17 |
| 5821682 | Method for incorporating anti-oxidants within a fluorescent lamp's base shell | Donald Franklin Foust, William W. Akins, Vito J. Arsena, Dennis James Doliac, Deborah Ann Haitko | 1998-10-13 |
| 5726528 | Fluorescent lamp having reflective layer | Thomas F. Soules | 1998-03-10 |
| 5602444 | Fluorescent lamp having ultraviolet reflecting layer | — | 1997-02-11 |
| 5539277 | Fluorescent lamp having high resistance conductive coating adjacent the electrodes | — | 1996-07-23 |
| 5258689 | Fluorescent lamps having reduced interference colors | Thomas G. Parham, Pamela K. Whitman | 1993-11-02 |
| 5045752 | Minimizing mercury condensation in two layer fluorescent lamps | — | 1991-09-03 |
| 4597984 | Method and apparatus for coating fluorescent lamp tubes | — | 1986-07-01 |