4. B - Operations, Transporting
  5. 63
  6. H

Multiple propeller ducted system

B - Operations – Transporting – 63 – H

Patent

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  [ 4.60 ] – excellent Voters 1   Comments 1

Details

115/15

B63H 5/08 (2006.01) B63H 5/14 (2006.01)

Patent

CA 910732

Doust David J.

B - Operations – Transporting – 63 – H
Inventor

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Doust David J.

B - Operations – Transporting – 63 – H
Inventor

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Multiple propeller ducted system has received 1 rating(s) and 1 review(s), resulting in an average rating of 4.60 on a scale from 1 to 5. The overall rating for this patent is excellent.

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susan fletcher

this system deserves further development for avoiding ship collisions

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