Personal computer data storage card and method for...

Plain carbon steel hub for data storage device

Plain carbon steel shutter for removable data storage cartridges

Plane magnetic recording medium

Plastic disk with hub and disk drive for using same

Plate spring assembly for a magnetic recording disk cartridge

Plug for a cassette

Plural disk cartridge arrangement

Plural magnetic disk assembly

Polymodal magnetic recording member

Portable data storage cartridge encoded multi-position...

Positioning system for removable data storage cartridges

Pre-recorded magnetic video tape having an information code on t

Pressing spring for a magnetic tape cartridge

Prism for a data cartridge

Prism for a data cartridge

Process for filling a patterned media of a hard disk with...

Process for recording information or sound and process for prepa

Programmable limited play video tape cassette

Projection on retaining element of tape cassette