Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239226 | Replaceable lamp assembly for automotive headlamps | Douglas Seredich, Martin Graf, John Stewart | 1993-08-24 |
| 5128851 | Vibration resistant mount structure for double ended tungsten-halogen lamp | Walter J. Kosmatka, James M. Hanson | 1992-07-07 |