LandOfFree - US Patents - Listing for Typewriting machines

Typewriting machines – Control of print position along print-line by signal...

Printing apparatus capable of backlash regulation

Typewriting machines – Means auxiliary to typewriting function – Means for correcting typing errors

Printing apparatus capable of correcting printed characters by o

Typewriting machines – Safety switch or condition-responsive-cutoff switch for...

Printing apparatus capable of distinguishing functioning abnorma

Typewriting machines – Sheet or web – For feeding plural record media concurrently or selectively

Printing apparatus capable of installing an optional unit...

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

Printing apparatus capable of printing character having embellis

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

Printing apparatus comprising plural printing mechanisms

Typewriting machines – Including plural – independently supported key-boards,...

Printing apparatus comprising plural printing units

Typewriting machines – Including type-set-assemblage mounted on carrier and... – Including type-faces movable relative to type-face-carrier

Printing apparatus controlling advancement of printing paper, ac

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

Printing apparatus display device for simultaneously displaying

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

Printing apparatus employing bidirectional stepping motors to po

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

Printing apparatus for accentuating the outline portion of a pri

Typewriting machines – Including control of format and selection of type-face by... – Including right-hand margin control system

Printing apparatus for automatically conducting a carriage retur

Typewriting machines – Key reassignment – Electrically powered

Printing apparatus for enciphering/deciphering text

Typewriting machines – Including control of format and selection of type-face by... – Including means for responding to input program or incoming...

Printing apparatus for medicine bag

Typewriting machines – Including plural – independently supported key-boards,...

Printing apparatus for negotiable instruments and securities

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

Printing apparatus for performing quality control of printed...

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

Printing apparatus for print processing multiple sets of...

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

Printing apparatus for printing an image on a selected surface

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

Printing apparatus for printing characters on a tape in a...