Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D293720 | Adjustable light fixture | — | 1988-01-12 |
| D291358 | Compact screw-in fluorescent lamp | — | 1987-08-11 |
| 4410834 | Circular fluorescent lamp with improved housing containing ballast and starting device | Alfons Jendrewski, Gerhard Nadler | 1983-10-18 |