Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431944 | Delay line having coupled cavities for a traveling-wave tube and a traveling-wave tube equipped with said line | Francis Payen | 1984-02-14 |
| 4371852 | Variable pitch delay line for travelling-wave tube and travelling-wave tube equipped with such a line | Philippe Lafuma | 1983-02-01 |