Inventor
WIRTH ROBERT L
US10 patents
Patents
10 patentsUS4016965AApr 12, 1977
Matrix print head and solenoid driver
NCR CO23 citations81
US4501506AFeb 26, 1985
Dot matrix print head
NCR CO7 citations72
US4484170ANov 20, 1984
Dot matrix print head solenoid assembly
NCR CO15 citations72
US4548521AOct 22, 1985
Dot matrix print head
NCR CO7 citations71
US4780007AOct 25, 1988
Record media thickness compensating mechanism
NCR CO15 citations68
US4502799AMar 5, 1985
Dot matrix print head
NCR CO6 citations61
US4632580ADec 30, 1986
Dot matrix print head dampening mechanism
NCR CO2 citations59
US4773772ASep 27, 1988
Printing apparatus
NCR CO5 citations55
US5163763ANov 17, 1992
Dot matrix print head armature
NCR CO1 citations51
US5213276AMay 25, 1993
Self-threading journal printer
NCR CO1 citations50