Plug for a cassette

Plural disk cartridge arrangement

Plural magnetic disk assembly

Portable data storage cartridge encoded multi-position...

Positioning system for removable data storage cartridges

Pressing spring for a magnetic tape cartridge

Prism for a data cartridge

Prism for a data cartridge

Programmable limited play video tape cassette

Projection on retaining element of tape cassette

Prolong VCR tape cassette

Protecting a disc cartridge from inadvertent actuation during no

Protective casing for a magnetic disk

Protective cover for a magnetic tape cassette

Protective jacket for a disk-shaped recording medium

Protective jacket for a disk-shaped recording medium

Protective jacket for a disk-shaped recording medium

Protective linear sheets for a magnetic recording disc...

Protective structure for jacket for rotatable magnetic recording

PTFE fiber based liner for flexible high density magnetic media