Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176626 | Method of controlling leachable mercury in lamps | Keith A. Klinedinst | 2007-02-13 |
| 7030559 | Arc discharge lamp containing means for reducing mercury leaching | Keith A. Klinedinst | 2006-04-18 |
| 6741030 | Control of leachable mercury in fluorescent lamps | Keith A. Klinedinst | 2004-05-25 |
| 6359382 | Fluorescent lamp base and fluorescent lamp | Billy W. Tuttle, Joel L. Beyerle, Craig Boyce, Donald M. Cannon | 2002-03-19 |
| 6169362 | Mercury vapor discharge lamp containing means for reducing leachable mercury | Keith A. Klinedinst, Richard A. Fowler | 2001-01-02 |
| 5994838 | Mercury vapor discharge lamp having means for reducing mercury leaching | Keith A. Klinedinst, Richard A. Fowler | 1999-11-30 |
| 5923121 | Fluorescent lamp having an attachment therein for reduction of soluble mercury in the lamp and to act as a fail-safe at the end of lamp life | Craig Boyce, Tyra Newman Evans, Michael D. Sweetland, Billy W. Tuttle | 1999-07-13 |
| 5022882 | Arc tube dosing process for unsaturated high pressure sodium lamp | Philip J. White | 1991-06-11 |
| 4523939 | Method for reducing striations in fused silica | Robert G. Jenkins | 1985-06-18 |