Production of nanoparticulate thin films

Production of pre-recorded tape cassettes

Production of rigid magnetic recording media

Program directory for a video tape cassette

Program display for coin operated compact disc phonographs

Program encoding and counterfeit tracking system and method

Program length extending or shortening device and method,...

Program mode setting apparatus

Programmable binary amplifier

Programmable transport controller

Programmed video record disc and related playback apparatus

Programs generating process used for the psychological...

Prolong vcr tape cassette

Promotional scanning and validating device

Protected optical disc

Protected optical disc comprising a flexible closure element

Protected optical disk of welded construction

Protected optical disk with a free layer holder

Protecting content from illicit reproduction by proof of...

Protecting film for optical recording medium and optical...