Granted Patent
Utility
US 6,285,765 · App. 09/070,958
Method and apparatus for reducing effects of copy protection of composite video signal
Inventor:
Ronald Quan
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: May 1, 1998
Inventor
Ronald Quan
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.