Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469444 | Lamp with improved color rendering | Yongzhang Leng, James T. Dolan | 2002-10-22 |
| 6316875 | Electroded selenium lamp | Douglas A. Kirkpatrick, Donald A. MacLennan | 2001-11-13 |
| 6310443 | Jacketed lamp bulb envelope | Donald A. MacLennan, Brian Turner, Aleksandr Gitsevich, Gary K. Bass, James T. Dolan +8 more | 2001-10-30 |
| 6252346 | Metal matrix composite integrated lamp head | Brian Turner, Kent Kipling, Malcolm E. Smith | 2001-06-26 |
| 6181054 | Lamp bulb with integral reflector | Izrail Levin, Thomas Sumner | 2001-01-30 |
| 5688064 | Method and apparatus for coupling bulb stem to rotatable motor shaft | — | 1997-11-18 |
| 5188451 | One-piece spacer end cap for an elongated jacketed discharge lamp | — | 1993-02-23 |
| 4544998 | Sealed lamp | — | 1985-10-01 |
| 4447862 | Sealed beam lamp unit sealing surfaces | — | 1984-05-08 |
| 4425607 | Sealed beam lamp unit | — | 1984-01-10 |
| 4425606 | Sealed beam lamp unit | Joseph P. Marella | 1984-01-10 |
| 4356539 | Vehicle headlamp having an integral buggy spring mounting assembly | — | 1982-10-26 |
| 4322784 | Vehicle headlamp having an integrally molded trim reference plane | Dan R. Campbell | 1982-03-30 |
| 4318161 | Snap in coupling assembly for a vehicle headlamp having a trim rim integral therewith | — | 1982-03-02 |
| 4300189 | Sealed beam lamp unit having bonded terminals | — | 1981-11-10 |