Inventor
REX DONALD K
US13 patents
Patents
13 patentsUS5518324AMay 21, 1996
Platen to print head gap adjustment arrangement
IBM34 citations90
US4671686AJun 9, 1987
Printer having removable paper feed module
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US4453660AJun 12, 1984
Forms feed tractor
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US4285604AAug 25, 1981
Ribbon shield for printer
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US5005996AApr 9, 1991
Ribbon cartridge with endless ribbon reinking mechanism
IBM8 citations72
US4790467ADec 13, 1988
Web feed mechanism and door with static protrusions
IBM8 citations70
US4643601AFeb 17, 1987
Ribbon positioning mechanism
IBM7 citations66
US3987883AOct 26, 1976
Ribbon lifting mechanism for a wire matrix printer
IBM13 citations66
US4376587AMar 15, 1983
Print ribbon protection
IBM2 citations62
US5015108AMay 14, 1991
Ribbon print track reinking with a roll system
IBM3 citations61
US4585606AApr 29, 1986
Method of making an endless forms feed tractor belt
IBM3 citations60
US4362406ADec 7, 1982
Dot matrix print head
IBM3 citations57
US4284363AAug 18, 1981
Data matrix print head
IBM4 citations57