Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 13, 2008
Patent Application Number
09325976
Date Filed
June 4, 1999
Patent Citations Received
Patent Primary Examiner
Patent abstract
A class of transportation vehicles for carrying an individual over ground having a surface that may be irregular. This embodiment has a motorized drive, mounted to the ground-contacting module that causes operation of the vehicle in an operating position that is unstable with respect to tipping when the motorized drive arrangement is not powered.
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