Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682084 | Grid electron tube with a folded cavity structure | Guy Clerc | 1997-10-28 |
| 5666018 | Cathode with fast heat switch-on and switch-off mechanism and grid-type electron tube including such a cathode | Robert Frossard | 1997-09-09 |
| 5612368 | O-arylmethyl-N-(thio)acylhydroxylamines | Jean Andrieux, Pierre Renard, Philippe Delagrange | 1997-03-18 |
| 5604261 | Arylalkyl (thio)amides | Pierre Renard, G erard Adam | 1997-02-18 |