B23B 31/1284
With a centre
Official title: {with a centre}
B23B31/1284 (With a centre) appears on 1 US grants and 0 published applications in this corpus.
Search patents in B23B- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 5 Aug 1980
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents