H01J 2893/0061
Tubes with discharge used as electron source
H01J2893/0061 (Tubes with discharge used as electron source) appears on 1 US grants and 0 published applications in this corpus.
Search patents in H01J- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 6 Apr 1976
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| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
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