| 12292039 |
Ion propulsion plasma cathode assembly |
— |
2025-05-06 |
| 10794371 |
Micro-thruster cathode assembly |
Joseph W. Kowalski, Jereme Shaver |
2020-10-06 |
| 9607815 |
Low work-function, mechanically and thermally robust emitter for thermionic energy converters |
Jae Hyung Lee, Igor Bargatin, Roger T. Howe |
2017-03-28 |
| 8957573 |
Miniature wire mount cathode with modulating electrode |
— |
2015-02-17 |
| 8853944 |
System and apparatus for cathodoluminescent lighting |
Richard N. Herring, Charles E. Hunt, Thomas Skupien, Tomas Hasilik, Viktor Jelinek |
2014-10-07 |
| 8294367 |
System and apparatus for cathodoluminescent lighting |
Richard N. Herring, Charles E. Hunt, Thomas Skupien, Tomas Hasilik, Viktor Jelinek |
2012-10-23 |
| 8058789 |
Cathodoluminescent phosphor lamp having extraction and diffusing grids and base for attachment to standard lighting fixtures |
Charles E. Hunt, Richard N. Herring, Richard Gale Sellers |
2011-11-15 |
| 7116051 |
Multibeam klystron |
Edwin G. Wintucky |
2006-10-03 |
| 6747412 |
Traveling wave tube and method of manufacture |
— |
2004-06-08 |
| 5198730 |
Color display tube |
— |
1993-03-30 |
| 4954745 |
Cathode structure |
— |
1990-09-04 |
