Inventor
HELINSKI RICHARD R
US7 patents
Patents
7 patentsUS4741930AMay 3, 1988
Ink jet color printing method
HOWTEK INC59 citations95
US4721635AJan 26, 1988
Color printed record and method
HOWTEK INC64 citations94
US4870430ASep 26, 1989
Solid ink delivery system
HOWTEK INC68 citations92
US4666757AMay 19, 1987
Color printed record
HOWTEK INC39 citations91
US4714936ADec 22, 1987
Ink jet printer
HOWTEK INC50 citations88
US4591281AMay 27, 1986
Sheet-feed mechanism for rotary print head
HOWTEK INC21 citations80
US5196236AMar 23, 1993
Ink jet color printing method
HOWTEK INC11 citations73