Granted Patent
Utility
US 5,251,218 · App. 07/739,593
Efficient digital frequency division multiplexed signal receiver
Inventors:
Wade J. Stone, Kikuo Ichiroku, Edwin A. Kelley, Don C. Devendorf
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Jul 31, 1991
Inventors
Wade J. Stone
Kikuo Ichiroku
Edwin A. Kelley
Don C. Devendorf
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.