Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719600 | Method for making mercury capsule for use in fluorescent lamp | Mark W. Grossman, William A. George | 2004-04-13 |
| 6518701 | Mercury capsule for use in a fluorescent lamp | Mark W. Grossman, William A. George | 2003-02-11 |
| 6369503 | Mercury capsule for use in a fluorescent lamp | Billy W. Tuttle, Michael D. Sweetland, Mark W. Grossman, Peter A. Marcurelle | 2002-04-09 |
| 5714836 | Fluorescent lamp with improved phosphor blend | Roger B. Hunt, Jr., Lawrence L. Hope | 1998-02-03 |
| 5475284 | Ballast containing circuit for measuring increase in DC voltage component | James N. Lester | 1995-12-12 |
| 5247228 | Fluorescent lamp ballast adaptor | — | 1993-09-21 |
| 5150009 | Glow discharge lamp | Michael R. Kling | 1992-09-22 |
| 4870323 | Method of dispensing mercury into an arc discharge lamp | Ralph P. Parks, Jr. | 1989-09-26 |
| 4751435 | Dual cathode beam mode fluorescent lamp with capacitive ballast | Joseph M. Proud, A. Bowman Budinger | 1988-06-14 |
| 4709187 | Lamp with lead wire thermal switch | — | 1987-11-24 |
| 4661745 | Rapid-start fluorescent lamp power reducer | Richard J. Citino, Carlo S. Bessone | 1987-04-28 |
| 4659966 | Rapid-start fluorescent lamp integrated circuit breaker structure and manufacture | — | 1987-04-21 |
| 4629437 | Rapid-start fluorescent lamp integrated circuit breaker structure and manufacture | — | 1986-12-16 |
| 4616156 | Tri-model type circuit breaker and rapid-start fluorescent lamp | John W. Anderson | 1986-10-07 |
| 4575656 | Starting aid for non-linear discharge lamps and method of making same | John W. Anderson | 1986-03-11 |
| 4553067 | Method of dispensing mercury into a fluorescent lamp and lamp to operate with method | Ralph P. Parks, Jr. | 1985-11-12 |
| D280344 | Fluorescent lamp or the like | John W. Anderson | 1985-08-27 |
| 4510418 | Rapid start fluorescent lamp with a bimetal electrode disconnect switch | John W. Anderson | 1985-04-09 |
| 4500812 | Electronic ballast circuit | — | 1985-02-19 |
| 4495440 | Arc-extinguishing ampul and fluorescent lamp having such ampul mounted on each electrode structure | Steven C. Schlitt, Thomas S. Yong, John W. Anderson | 1985-01-22 |
| 4494041 | Incandescent ballast assembly | John W. Anderson | 1985-01-15 |
| 4494042 | Mercury target sensing and locating apparatus | — | 1985-01-15 |
| 4454447 | Dual filament fluorescent lamp with electron shielding means | Ralph P. Parks, Jr. | 1984-06-12 |
| 4413209 | Series-connected discharge device ballast apparatus | — | 1983-11-01 |
| 4410836 | Voltage limited ballast for gaseous discharge devices | — | 1983-10-18 |