Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |