LandOfFree - US Patents - Listing for Typewriting machines

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

Method of judgement of ink ribbon jamming

Typewriting machines – Including justification or quadding of print-line – By interword or intercharacter spacing

Method of kerning in the processing of documents written in Euro

Typewriting machines – Typing by other than type-face or type-die – Character formation by impact

Method of magnifying a bit map font data in a horizontal directi

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Type-head – per se

Method of making the hub of a printing wheel for impact printers

Typewriting machines – Including control of format by programmed-control-system

Method of monitoring at least one printing parameter of a...

Typewriting machines – Typing by other than type-face or type-die – Character formation by impact

Method of moving print elements in printheads and a printhead wi

Typewriting machines – Displaying typewriter-formed representation of print-line

Method of multicolor printing with matrix printer

Typewriting machines – Including control of format by programmed-control-system

Method of on-demand printing

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

Method of operating a computer keyboard assembly

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

Method of operating a printer

Typewriting machines – Including interposed inking device for record-medium – Package for ribbon facilitating mounting of ribbon on...

Method of operating a thermal printer

Typewriting machines – Typing by other than type-face or type-die – Thermal

Method of preparing threshold matrix and method of and apparatus

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

Method of preventing dust from adhering to ink ribbon of...

Typewriting machines – Typing by other than type-face or type-die – Thermal

Method of printing

Typewriting machines – Typing by other than type-face or type-die – Thermal

Method of printing

Typewriting machines – Typing by other than type-face or type-die – Thermal

Method of printing

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

Method of printing

Typewriting machines – Typing by other than type-face or type-die – Thermal

Method of printing a multiple color image using heat sensitive i

Typewriting machines – Including control of format by programmed-control-system

Method of printing and printing system