Ribbon cassette drive system method and apparatus for portable c

Ribbon cassette for a printer

Ribbon cassette for a printing apparatus

Ribbon cassette for a typewriter or the like

Ribbon cassette for mailing machine

Ribbon cassette for mechanically unlocking a printing mechanism

Ribbon cassette for oblique ribbon feeding

Ribbon cassette for printer

Ribbon cassette for printers

Ribbon cassette for reinking only one longitudinal half of a Mob

Ribbon cassette for typewriter with tension producing locking de

Ribbon cassette for word processors, printers and typewriters

Ribbon cassette having housing with integrally formed biasing fi

Ribbon cassette having leveraged movement during installation or

Ribbon cassette having line forming means for typewriters or off

Ribbon cassette having means to feed both fabric and film ribbon

Ribbon cassette having openable and closeable lid members

Ribbon cassette having projecting holding parts

Ribbon cassette including an inking device

Ribbon cassette responsive to ribbon breakage