Process of making sound records
Process of producing a magnetic recording element
Process of recording sound records
Processing image data
Processing of recorded data
Processing variable area film soundtracks
Producing a replicate video disc by a method of photographic...
Product packaging including digital data
Production of acicular magnetic iron oxides
Production of dvd cards and other discs of noncircular shape
Production of ferrimagnetic iron oxide
Production of finely divided acicular magnetic iron oxides
Production of magnetic ledger cards
Production of master recording media
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