LandOfFree - US Patents - Listing for Typewriting machines

Typewriting machines – Including adjustment for optimum printing plane – By adjustment of carriage

Adjustment of print position

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

Adjustment of printing position deviation during...

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

Advance and transfer mechanism for inked ribbon or the like

Typewriting machines – For line-spacing by incremental rotation of platen – For multi-incremental rotation

Advancing device in electrically driven typewriters and similar

Typewriting machines – Means auxiliary to typewriting function – Frame – casing – or support for typewriter

Airline ticket printer with offset drive means

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

Airline ticket printer with ticket prestaging

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

Allocation of memory in a font cartridge

Typewriting machines – Key-board or key lever-actuating mechanism – Key-board including keys grouped to facilitate positioning...

Alpha-numeric keyboard

Typewriting machines – Key-board or key lever-actuating mechanism – Key-board including keys grouped to facilitate positioning...

Alphanumeric section of office machine keyboards

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

Alternate ribbon feed mechanism for fabric and carbon ribbon cas

Typewriting machines – For operation by handicapped user

Analogical control device for a typewriting machine to be used b

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

Angular motion paper feed release system

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

Anti-backlash tractor assembly

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

Anti-bounce projectile collecting surface for microballistic pri

Typewriting machines – Platen or platen-moving mechanism – Bar platen

Anti-noise platen of the flat type for an impact printer

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

Anti-reversal backcheck for printer ribbon cartridge takeup spoo

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

Antijamming device for printers put in public places

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

Antijamming device for printers put in public places

Typewriting machines – Means auxiliary to typewriting function – Means for muffling typewriter noise

Antinoise device for impact serial printers