Assignee
NUMONICS CORP
US6 patents
Top patents by PatentIndex Score
US5897648AApr 27, 1999
Apparatus and method for editing electronic documents
NUMONICS CORP127 citations94
US4570033AFeb 11, 1986
Polyphase digitizer
NUMONICS CORP31 citations90
US4552991ANov 12, 1985
Absolute position coordinate determining device employing a single phase difference measurement to determine cursor position
NUMONICS CORP44 citations90
US4963703AOct 16, 1990
Coordinate determining device using spatial filters
NUMONICS CORP85 citations88
US7537184B1May 26, 2009
Boom device for presentation appliances
NUMONICS CORP25 citations82
US4853715AAug 1, 1989
Plotter head control device
NUMONICS CORP16 citations67