Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
David Gruenwald0
Date of Patent
February 1, 2011
0Patent Application Number
120300290
Date Filed
February 12, 2008
0Patent Primary Examiner
Patent abstract
The instant invention is a shroud/keel/rudder combination for use on a engine driven marine vessel having a vented tunnel propulsion system. The combination produces acceptable acceleration, minimal loss of speed, resistance to weed entanglement and optimized steering, in both forward and reverse, especially when used with surface piercing propellers.
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