Assignee
LEDSTAR INC
US4 patents
Top patents by PatentIndex Score
US5036248AJul 30, 1991
Light emitting diode clusters for display signs
LEDSTAR INC317 citations94
US7797865B2Sep 21, 2010
Changeable message sign structure
LEDSTAR INC39 citations86
US5721564AFeb 24, 1998
Electromagnetically operated linearly sliding shutter for a variable display
LEDSTAR INC3 citations62
US11663934B2May 30, 2023
LED sign system with redundant controller
LEDSTAR INC0 citations55