D04B 9/04
With spring or bearded needles
Official title: with spring or bearded needles
D04B9/04 (With spring or bearded needles) appears on 1 US grants and 2 published applications in this corpus.
Search patents in D04B- Granted patents
- 1
- Published applications
- 2
- Assignees
- 4
- Inventors
- 5
- Latest grant
- 30 Jul 2019
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| Year | Granted patents | Published applications |
|---|---|---|
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
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