B21K 7/04
Switch tongues
Official title: switch tongues
B21K7/04 (Switch tongues) appears on 1 US grants and 1 published applications in this corpus.
Search patents in B21K- Granted patents
- 1
- Published applications
- 1
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 18 Oct 2022
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| Year | Granted patents | Published applications |
|---|---|---|
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
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