B28B 21/205
Having a rigid frame inside the inflatable part of the core
Official title: {having a rigid frame inside the inflatable part of the core}
B28B21/205 (Having a rigid frame inside the inflatable part of the core) appears on 1 US grants and 0 published applications in this corpus.
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- Published applications
- 0
- Assignees
- 1
- Inventors
- 7
- Latest grant
- 19 Nov 2019
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