Granted Patent
Utility
US 6,327,422 · App. 09/042,680
Method and apparatus for modifying the effects of color burst modifications to a video signal
Inventors:
Ronald Quan, John O. Ryan
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Mar 12, 1998
Inventors
Ronald Quan
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.