E21C 25/40
Having links with integrally formed picks
Official title: having links with integrally formed picks
E21C25/40 (Having links with integrally formed picks) appears on 1 US grants and 0 published applications in this corpus.
Search patents in E21C- Granted patents
- 1
- Published applications
- 0
- Assignees
- 0
- Inventors
- 2
- Latest grant
- 18 Jan 2000
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| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
By publication year. Applications have been published since 2001.
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