Assignee
GTCO CORP
US6 patents
Top patents by PatentIndex Score
US5736686AApr 7, 1998
Illumination apparatus for a digitizer tablet with improved light panel
GTCO CORP154 citations94
US4206314AJun 3, 1980
Graphic digitizer
GTCO CORP39 citations81
US4080515AMar 21, 1978
Successively electromagnetically scanned x-y grid conductors with a digitizing system utilizing a free cursor or stylus
GTCO CORP52 citations81
USD347832SJun 14, 1994
Roll-up digitizer
GTCO CORP11 citations72
US5973667AOct 26, 1999
Lean-to stand for flexible digitizer
GTCO CORP11 citations71
US4933671AJun 12, 1990
Cursor
GTCO CORP3 citations45