B30B 9/242
Comprising compartments which are recurrently constricted and expanded
Official title: {comprising compartments which are recurrently constricted and expanded}
B30B9/242 (Comprising compartments which are recurrently constricted and expanded) appears on 1 US grants and 0 published applications in this corpus.
Search patents in B30B- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 1
- Latest grant
- 17 Jul 1984
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| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
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