Granted Patent
Utility
US 5,940,141 · App. 08/855,076
Nonlinear vertical bandwidth expansion of video signals
Inventors:
Yves C. Faroudja, Peter Swartz
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: May 13, 1997
Inventors
Yves C. Faroudja
Peter Swartz
Assignee (at issue)
Yves C. Faroudja
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.