D21F 1/72
Using funnels
Official title: using funnels
D21F1/72 (Using funnels) appears on 1 US grants and 1 published applications in this corpus.
Search patents in D21F- Granted patents
- 1
- Published applications
- 1
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- 0
- Inventors
- 1
- Latest grant
- 23 Jul 2024
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