E21D 15/34
By axially- moving balls, rollers, or the like
Official title: by axially- moving balls, rollers, or the like
E21D15/34 (By axially- moving balls, rollers, or the like) appears on 1 US grants and 0 published applications in this corpus.
Search patents in E21D- Granted patents
- 1
- Published applications
- 0
- Assignees
- 0
- Inventors
- 1
- Latest grant
- 14 Feb 1984
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| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
By publication year. Applications have been published since 2001.
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