IP Library › Granted Patent US 5,317,233
Granted Patent Utility
US 5,317,233 · App. 07/508,442

Vacuum tube including grid-cathode assembly with resonant slow-wave structure

Inventors: Erling L. Lien, Arthur Karp
Patented Case View Patent ↗
Granted: May 31, 1994 Filed: Apr 13, 1990
Inventors
Erling L. Lien
Arthur Karp
Assignee (at issue)
Varian, Inc.

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Quick Facts
Patent No.
US 5,317,233
App. No.
07/508,442
Filed
1990-04-13
Granted
1994-05-31
Kind
A