Jean Ledieu

DI Digipress: 2 patents #1 of 1Top 100%

📍 Crespières, FR: #1 of 1 inventorsTop 100%

Overall (1997): #36,292 of 185,788Top 20%

Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5671205	Compact disc comprising an antipiracy marking and method of providing compact discs with an antipiracy marking	—	1997-09-23
5622815	Process of manufacture of a master disk and/or of an optical disk	—	1997-04-22