Granted Patent
Utility
US 5,164,959 · App. 07/643,969
Digital equalization method and apparatus
Inventors:
Khiem V. Cai, Robert A. Dell-Imagine
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Jan 22, 1991
Inventors
Khiem V. Cai
Robert A. Dell-Imagine
Assignee (at issue)
Hughes Aircraft Company
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.