Central hubs for flexible magnetic data discs formed of magnetic

Chucking mechanism for magnetic tape cartridge used with disk dr

Clam-shell cartridge for recording disc

Clamper holding mechanism for positioning an information recordi

Cleaning cassette for magnetic tape apparatus

Cleaning cassette for use in cleaning a respective type of magne

Cleaning device for tape in a cassette

Cleaning liner in a magnetic disk cartridge

Cleaning sheet for a magnetic disc

Club magnetic tape cassette having a protective layer

Coin disks

Collapsible magnetic tape cassette

Colored floppy diskette

Compliant tape guide for data cartridges

Composite data cartridge drive belt

Composite lid assembly

Composite memory device

Composite tape cassette

Composite tape cassette

Computer disk adjustable write protect device