H03B 5/34
Active element in amplifier being vacuum tube
Official title: active element in amplifier being vacuum tube (H03B5/38 takes precedence)
H03B5/34 (Active element in amplifier being vacuum tube) appears on 3 US grants and 3 published applications in this corpus.
Search patents in H03B- Granted patents
- 3
- Published applications
- 3
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 9 Aug 2022
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| Year | Granted patents | Published applications |
|---|---|---|
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| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
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