D21F 1/22
In cylinder machines
Official title: in cylinder machines
D21F1/22 (In cylinder machines) appears on 1 US grants and 1 published applications in this corpus.
Search patents in D21F- Granted patents
- 1
- Published applications
- 1
- Assignees
- 1
- Inventors
- 1
- Latest grant
- 7 Nov 2023
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| Year | Granted patents | Published applications |
|---|---|---|
| 2023 | 1 | 1 |
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