Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8407865 | Tie-down tension enhancer | — | 2013-04-02 |
| 5982078 | Optical interference coatings and lamps using same | M. Eric Krisl | 1999-11-09 |
| 5569979 | UV absorbing fused quartz and its use for lamp envelopes | Curtis E. Scott, Cynthia A. Secen, Thomas G. Parham, Gary R. Allen, Paul G. Mathews | 1996-10-29 |
| 5552671 | UV Radiation-absorbing coatings and their use in lamps | Thomas G. Parham, Gary R. Allen, John M. Davenport | 1996-09-03 |
| 5196759 | High temperature lamps having UV absorbing quartz envelope | Thomas G. Parham, Gary R. Allen, Paul G. Mathews | 1993-03-23 |
| 5143445 | Glass reflectors LPCVD coated with optical interference film | Thomas G. Parham | 1992-09-01 |
| 5138219 | Optical interference coating and lamps using same | M. Eric Krisl | 1992-08-11 |
| 4574218 | Metal vapor lamp having internal means promoting condensate film formation | Thomas F. Soules | 1986-03-04 |