Granted Patent
Utility
US 6,701,062 · App. 09/327,996
Generational copy control of a video signal
Inventors:
Johan Cornelis Talstra, Mark Hollar, Kordian Kurowski, David C. Collier, William J. Wrobleski, James R. Holzgrafe, Antonius Kalker, Derek T. Nelson, Patrice Capitant, John O. Ryan
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Jun 8, 1999
Inventors
Johan Cornelis Talstra
Mark Hollar
Kordian Kurowski
David C. Collier
William J. Wrobleski
James R. Holzgrafe
Antonius Kalker
Derek T. Nelson
Patrice Capitant
John O. Ryan
Assignee (at issue)
Macrovision Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.