Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5550431 | High pressure arc discharge lamp having barium hafnate impregnated electrodes | David Alan Goodman | 1996-08-27 |
| 5258687 | Mercury vapor discharge device | David Alan Goodman, Nanu Brates | 1993-11-02 |
| 4450381 | Tungsten-halogen lamp with preferential tungsten deposition site | George B. Kendrick, Carlos Ochoa | 1984-05-22 |
| 4233536 | Incandescent lamp getter | John F. Waymouth, Edmund M. Passmore | 1980-11-11 |