Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072157 | Excitation device suitable for exciting surface waves in a discharge tube | Ulrich Greb, Richard W. Burton | 1991-12-10 |
| 5070278 | Discharge tube arrangement | Colin Seymour, Francis R. Trumble | 1991-12-03 |