US Patent 7530867 Portable canoe propulsion system
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Patent Inventor Names
Reinhard Erwin Jackson0
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Patent abstract
A portable pedal driven propulsion device for a small watercraft (1) in which power from crank operated pedals (5) is transmitted to a pivotally mounted gearbox (32) or pulley system (81,82,83) adjacent the operator. A longitudinal drive shaft (2) is connected, at one end, to the gearbox (32) or pulley system (81,82,83) and, at the other end, to a propeller (40) such that the drive shaft (2) and propeller (40) can be moved selectively between a raised inoperative position and a lowered operative position.
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US Patent 07530867 Portable canoe propulsion system US Patent 7530867 Portable canoe propulsion system
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Patent Number
075308670
Patent Number
75308670
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Patent Jurisdiction
Patent Number
075308670
Date of Patent
May 12, 2009
0Patent Application Number
105810950
Date Filed
November 29, 2004
0Official Website
Patent Primary Examiner
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US Patent 07530867 Portable canoe propulsion system
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Is a
Patent jurisdiction
Patent number
07530867
Date of patent
May 12, 2009
Patent application number
10581095
Date Filed
November 29, 2004
Patent primary examiner
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