B21G 3/22
In pairs arranged head to head
Official title: in pairs arranged head to head
B21G3/22 (In pairs arranged head to head) appears on 1 US grants and 1 published applications in this corpus.
Search patents in B21G- Granted patents
- 1
- Published applications
- 1
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 7 Nov 2017
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| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
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