LandOfFree - US Patents - Listing for Typewriting machines

Typewriting machines – Sheet or web – Including friction-feed means

Pushbutton decoder and printer

Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure

Pushbutton structure of keyboard

Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure

Pushbutton structure of keyboard that generates pulse-like...

Typewriting machines – Sheet or web – For feeding web record-medium

Quick-attaching edge trimmer for pin-feed paper systems

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Imprint by movement of record-medium against type-face

Quiet impact printer

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Imprint by movement of record-medium against type-face

Quiet impact printer

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Imprint by pivoting of type-head-carrier and type-head...

Quiet impact printer mechanism

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Imprint by pivoting of type-head-carrier and type-head...

Quiet impact printer mechanism

Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-feed mechanism

Rack and pinion cleaning mechanism in a serial printer

Typewriting machines – Sheet or web – For feeding web record-medium

Rack and pinion medium roll support

Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-feed mechanism

Rack mount for a rack and pinion carriage moving mechanism

Typewriting machines – Foreign language or braille typewriter – Braille

Raised-letter information processing apparatus,...

Typewriting machines – Including interposed inking device for record-medium – Ribbon-feeding mechanism

Ramp ribbon cartridge

Typewriting machines – Including interposed inking device for record-medium – Endless ribbon or cartridge therefor

Random stuffer ribbon cartridge with improved ribbon exit contro

Typewriting machines – Including control of format and selection of type-face by... – Separate interrelated programs

Rating plate printing apparatus and method

Typewriting machines – Including interposed inking device for record-medium – Renovation of used ribbon

Re-application of dye to a dye donor element of thermal printers

Typewriting machines – Including interposed inking device for record-medium – Renovation of used ribbon

Re-application of dye to a dye donor element of thermal printers

Typewriting machines – Including interposed inking device for record-medium – Renovation of used ribbon

Re-application of dye to a dye donor element of thermal...

Typewriting machines – Including interposed inking device for record-medium – Renovation of used ribbon

Re-inkable method and arrangement for printer ribbons