Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477019 | Electron beam tubes | Stephen Bardell, Steven Aitken, Stuart William Andrews, Neil O'Sullivan | 2009-01-13 |
| 7230385 | Collector arrangement | Edward Stanley Sobieradzki, Stephen Bardell, Steven Aitken | 2007-06-12 |
| 7187130 | Electron beam tubes including a vacuum envelope seal and having a metallized balance ring | Edward Stanley Sobieradzki, Stephen Bardell, Steven Aitken | 2007-03-06 |