Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874988 | Pulsed metal halide arc discharge light source | Harold L. Rothwell, Jr., Donald F. Garrity, Jr. | 1989-10-17 |
| 4864180 | Metal-halide arc tube and lamp having improved uniformity of azimuthal luminous intensity | Harold L. Rothwell, Jr., Thomas J. Gilligan | 1989-09-05 |
| 4850918 | Pulsed metal halide source | Harold L. Rothwell, Jr., Donald F. Garrity, Jr. | 1989-07-25 |
| 4847530 | Arc discharge lamp with elongated outer envelope orthogonal to lamp base | Harold L. Rothwell, Jr. | 1989-07-11 |
| 4823050 | Metal-halide arc tube and lamp having improved uniformity of azimuthal luminous intensity | Harold J. Rothwell, Jr., Thomas J. Gilligan | 1989-04-18 |
| 4814959 | Heat shield for low profile automotive headlight | Kirti B. Chakrabarti | 1989-03-21 |
| 4804878 | Electric lamp, base for use therewith and method of assembling same | Harold L. Hough, Kirti B. Chakrabarti | 1989-02-14 |