G11B 3/003
Devices for transmitting, directing, amplifying sound
Official title: {Devices for transmitting, directing, amplifying sound (in general G10K11/18)}
G11B3/003 (Devices for transmitting, directing, amplifying sound) appears on 2 US grants and 2 published applications in this corpus.
Search patents in G11B- Granted patents
- 2
- Published applications
- 2
- Assignees
- 0
- Inventors
- 1
- Latest grant
- 2 Oct 2018
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| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
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