Osram GmbH
Osram GmbHActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB502273A | Improvements in methods of attaching metallic layers to vit… | Expired / Lapsed | 1937-12-15 | — | 0 | Details |
| GB256188A | Insulators formed from glass | Expired / Lapsed | 1926-06-10 | — | 0 | Details |
| US4766346A | Lamp with low-toxicity, molybdenum-compatible sealing glass | Expired / Lapsed | 1987-04-27 | 1988-08-23 | 14 | Details |
| US4155025A | High-pressure mercury-vapor discharge ultraviolet radiant e… | Expired / Lapsed | 1978-04-24 | 1979-05-15 | 12 | Details |
| US3544839A | Apparatus for starting and operating electric discharge lam… | Expired / Lapsed | 1968-10-11 | 1970-12-01 | 0 | Details |
| FR1294025A | Refill containing multiple flash lamps for magazine flash | Expired / Lapsed | 1961-07-04 | 1962-05-18 | 0 | Details |
| US2706691A | Method of coating glass bulbs | Expired / Lapsed | 1950-05-10 | 1955-04-19 | 1 | Details |
| US2081894A | Resistance body made from semiconductive substances | Expired / Lapsed | 1935-02-06 | 1937-05-25 | 0 | Details |