Device for projecting ink droplets onto a medium

Device for removing air bubbles formed and trapped in ink chambe

Device for selectively transferring spots of liquid ink

Device for supporting a print head

Device for the fixing and contacting of piezotubes

Device for writing with liquid ink

Device to assure paper flatness and pen-to-paper spacing during

Diamond pen type marking device for substrates

Diaphragm cap system for ink-jet printers

Digital flow pressure regulator

Direct image recording apparatus using toner

Direct writing over-the-drum graphic recorder

Disposable cartridge for ink drop printer

Disposable ink jet head

Disposable ink supply and nozzle system using a simple pump

Disposable inker cartridge and holder therefor

Disposable instrument pen with integral spring member

Disposable instrument pen with integral spring member

Disposable marker

Disposable marker and holder