E21D 9/111
By means of heads or tool-carrying sectors implementing an oscillating rotary motion
Official title: {by means of heads or tool-carrying sectors implementing an oscillating rotary motion}
E21D9/111 (By means of heads or tool-carrying sectors implementing an oscillating rotary motion) appears on 2 US grants and 1 published applications in this corpus.
Search patents in E21D- Granted patents
- 2
- Published applications
- 1
- Assignees
- 2
- Inventors
- 6
- Latest grant
- 21 Jan 2020
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