Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687963 | Tungsten-halogen electric lamp with permeable means closing an outer envelope | Peter R. Gagnon, Robert M. Griffin | 1987-08-18 |
| 4550270 | Tungsten halogen lamp having a fine-wire filament and a hydrogen-impervious envelope | Emery G. Audesse, Robert M. Griffin | 1985-10-29 |
| 4296351 | Tungsten halogen lamp having lead-in wire comprising tantalum alloy | Peter R. Gagnon | 1981-10-20 |
| 4213170 | Reflector lamp with lens having light-modifying coating | Roy Martin | 1980-07-15 |
| 4189657 | Method of making sealed beam lamp | Robert P. Bonazoli, Lewis H. Palmer, III | 1980-02-19 |