Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868458 | Xenon lamp particularly suited for automotive applications | John M. Davenport | 1989-09-19 |
| 4868718 | Forward illumination lighting system for vehicles | John M. Davenport, William W. Finch | 1989-09-19 |
| 4851969 | Optical control system particularly suited for infrequently activated devices | John M. Davenport | 1989-07-25 |
| 4839559 | Radiant energy incandescent lamp | Frederic F. Ahlgren, Rolf S. Bergman, John M. Davenport, Robert G. Hantman, Leonard E. Hoegler | 1989-06-13 |
| 4810932 | Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such | Frederic F. Ahlgren, John M. Davenport, John J. Karikas | 1989-03-07 |
| 4811172 | Lighting systems employing optical fibers | John M. Davenport | 1989-03-07 |