Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bert G. Shelton0
Date of Patent
April 8, 2008
0Patent Application Number
111883870
Date Filed
July 25, 2005
0Patent Primary Examiner
Patent abstract
A system for lifting ships from one waterway to another waterway. A convex basin is constructed between the waterways and slidably receives a pair of inter-connected chambers movable transverse to the direction of the waterway.
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