Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868452 | Electric amp having a flexible conductor connecting a plurality of external pinch seal conductors to a rigid current-supply conductor | — | 1989-09-19 |
| 4866340 | Explosion resistant tungsten-halogen incandescent lamp | Josephus F. Caems | 1989-09-12 |
| 4849669 | Electric incandescent lamp for operation at line voltage | — | 1989-07-18 |
| 4823048 | Electric lamp having pinch a seal with primary foils arranged between each current supply conductor and a respective auxiliary foil | — | 1989-04-18 |