Inventor
TZENG PAUL S
US3 patents
Patents
3 patentsUS4907014AMar 6, 1990
Safely retracting paper-cutting apparatus for a roll paper printer
CALCOMP INC35 citations89
US4968882ANov 6, 1990
Adjustable optical shaft encoder and calibration method for printers and plotters
CALCOMP INC9 citations70
US4916463AApr 10, 1990
Support rollers for the print roller in a high-accuracy, wide-paper thermal plotter
CALCOMP INC3 citations59