Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7915825 | Starting aid for discharge lamp | — | 2011-03-29 |
| 7511406 | Metal halide arc discharge lamp | Mary Berger | 2009-03-31 |
| 6731069 | Mercury-free metal halide arc lamps | P. Bruce Newell, Nanu Brates | 2004-05-04 |
| 6683412 | High pressure sodium lamp having reduced internal diameter | Paul H. Ingalls, Robert B. Dolan | 2004-01-27 |
| 6268696 | Mercury and lead free high pressure sodium lamp | Robert B. Dolan, John L. Plumb | 2001-07-31 |
| 6201348 | Capacitive coupling starting aid for metal halide lamp | Edward H. Nortrup, Nanu Brates | 2001-03-13 |
| 5343117 | Electrode feedthrough connection strap for arc discharge lamp | Robert S. White, Semyon Makhlis, Ernest Davey | 1994-08-30 |
| 5208509 | Arc tube for high pressure metal vapor discharge lamp | Richard A. Snellgrove | 1993-05-04 |
| 5188554 | Method for isolating arc lamp lead-in from frit seal | Richard A. Snellgrove | 1993-02-23 |
| 5150017 | High pressure sodium discharge lamp | Rudy Geens | 1992-09-22 |
| 5111108 | Vapor discharge device with electron emissive material | David Alan Goodman, John L. Plumb, Rudy Geens, Richard A. Snellgrove | 1992-05-05 |
| 5001396 | Arc tube and high pressure discharge lamp including same | Richard A. Snellgrove | 1991-03-19 |
| 4961019 | Metal halide lamp assembly | Robert S. White, John A. Scholz | 1990-10-02 |
| 4906887 | High pressure metal vapor lamp with outer protective envelope and getters therein | John A. Scholz | 1990-03-06 |
| 4808888 | Starting circuit for gaseous discharge lamps | Fredrick W. Paget | 1989-02-28 |
| 4780649 | Metal vapor lamp having low starting voltage | John A. Scholz | 1988-10-25 |
| 4647819 | Metal vapor lamp starting and operating apparatus | John A. Scholz | 1987-03-03 |
| 4445073 | Intimate contact starting aid for arc lamps | Timothy Gehling | 1984-04-24 |
| 4333032 | High pressure sodium lamp containing barium getter | John J. Gutta, Richard A. Parrott | 1982-06-01 |
| 4323812 | Electric discharge lamp | Elvery D. Lowry | 1982-04-06 |
| 4241276 | Warm color arc discharge lamp having improved efficiency | Alan Daignault | 1980-12-23 |