Ultrasonic dye image fusing
Ultrasonic pixel printer
Ultrasonic vibration driving type thermal printer
Unattended replacement of plotter pens
Uncharged ink drop rastering, monitoring, and control
Unit type thermal label printer
Unitary body plotter pen
Unitary ink jet and reservoir
Universal image coder and controller for multicolor electrolytic
Universal plotter pen having improved marking fluid flow charact
Universal slip-on mounting for disposable chart pens
Universal snap mounting for disposable chart pens
Use of sequential firing to compensate for drop misplacement due
User selectable drop charge synchronization for traveling wave-s
Using silver salts and reducing reagents in microfluidic printin