B63H 23/20
With separate forward and astern propulsion power units
Official title: with separate forward and astern propulsion power units, e.g. turbines
B63H23/20 (With separate forward and astern propulsion power units) appears on 2 US grants and 3 published applications in this corpus.
Search patents in B63H- Granted patents
- 2
- Published applications
- 3
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 29 Oct 2019
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