Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Liang Liu0
Date of Patent
February 15, 2011
Patent Application Number
12582660
Date Filed
October 20, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A lamp pen comprises a lower body, an upper body attachable to the lower body, a refill and a lamp disposed in the lower body, a conductive spring disposed about the pen refill, a rotating body assembly disposed in the upper body and having a battery, conductive terminals, and a rotating wheel, a conductive guiding sleeve, a conductive element, and a push button assembly.
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