A printing apparatus and ink cartridge therefor

A printing cartridge with capacitive sensor identification

A printing cartridge with pressure sensor array identification

A printing cartridge with switch array identification

A process and system for sequentially embossing a card

A ribbon drive system for a thermal demand printer

A secure printing cartridge

A system and method for maintaining or recovering nozzle...

A valve body and a liquid storage container for a liquid...

Absorber and container for ink jet recording liquid using...

Accounting typewriter

Accoustical device for typewriter

Acoustic cover for machines

Acoustic ejection of fluids using large f-number focusing...

Acoustic encoding apparatus

Acoustic hood with glare shield

Acoustic ink printer

Acoustic ink printing method and system for improving...

Acoustic lens arrays for ink printing

Acoustical covers for office machines