Granted Patent
Utility
US 4,697,157 · App. 06/921,163
Inherently flat spectral density pseudorandom noise generator
Inventors:
Charles L. Buddecke, Robert Graham
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Oct 17, 1986
Inventors
Charles L. Buddecke
Robert Graham
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.