Programmable marking machine
Programmable platen compression rolls
Proportional spacing printer incorporating word underscore...
Proportional-spaced character print wheel
Protection system for hammer drive circuits in impact printers
Protective coatings for solid inkjet applications
Protective device for offset rotary printing machines
Public service billing machine
Public service posting machine
Pulse damped fluidic architecture
Pulsed aperture for an electrostatic ink jet system
Pulsed droplet ejecting system
Pumping method
Punching and printing device
Punctuation printing mechanism for business machines