Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721888 | Arc discharge lamp with ultraviolet enhanced starting circuit | Joseph M. Proud, Wojciech W. Byszewski | 1988-01-26 |
| 4713587 | Multipulse starting aid for high-intensity discharge lamps | Wojciech W. Byszewski, James N. Lester | 1987-12-15 |
| 4680509 | Method and apparatus for starting high intensity discharge lamps | James N. Lester | 1987-07-14 |
| 4629945 | Method and apparatus for starting low wattage high intensity discharge lamps | Joseph M. Proud | 1986-12-16 |
| 4608521 | Dual spiral line generator method and apparatus for starting low wattage high intensity discharge lamps | Joseph M. Proud | 1986-08-26 |
| 4484085 | Spiral line voltage pulse generator characterized by secondary winding | Joseph M. Proud | 1984-11-20 |
| 4427920 | Electromagnetic discharge apparatus | Joseph M. Proud, Robert K. Smith | 1984-01-24 |
| 4427925 | Electromagnetic discharge apparatus | Joseph M. Proud, Robert K. Smith | 1984-01-24 |
| 4353012 | Pulse injection starting for high intensity discharge metal halide lamps | Joseph M. Proud | 1982-10-05 |
| 4328446 | Method and apparatus for starting high intensity discharge lamps | Joseph M. Proud | 1982-05-04 |
| 4325004 | Method and apparatus for starting high intensity discharge lamps | Joseph M. Proud, Leslie A. Riseberg | 1982-04-13 |