Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339002 | Electric lamp and optically alignable cementless base combination | Alfred Braun, Peter Helbig, Hermann Steiner | 1994-08-16 |
| 5270610 | Vibration resistant lamp and base, and method of its manufacture | Fritz Eckhardt | 1993-12-14 |
| 5153480 | Vibration, shock and heat-resistant lamp-base combination structure | Alfred Braun, Hermann Steiner | 1992-10-06 |
| 5010272 | Cementless electric lamp - base combination | Fritz Eckhardt, Peter Helbig | 1991-04-23 |