Granted Patent
Utility
US 6,836,549 · App. 09/388,296
Method and apparatus for synthesizing and reducing the effects of video copy protection signals
Inventors:
Ronald Quan, Gerow D. Brill
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Sep 1, 1999
Inventors
Ronald Quan
Gerow D. Brill
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.