B28B 1/445
Hollow punches or cores
Official title: {Hollow punches or cores}
B28B1/445 (Hollow punches or cores) appears on 2 US grants and 1 published applications in this corpus.
Search patents in B28B- Granted patents
- 2
- Published applications
- 1
- Assignees
- 0
- Inventors
- 3
- Latest grant
- 21 Feb 2017
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| Year | Granted patents | Published applications |
|---|---|---|
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| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
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| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
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| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
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