Granted Patent
Utility
US 4,361,891 · App. 06/218,899
Spread spectrum signal estimator
Inventors:
Helmut Lobenstein, Marshall K. Quick
Patented Case
View Patent ↗
Granted: Nov 30, 1982
Filed: Dec 22, 1980
Inventors
Helmut Lobenstein
Marshall K. Quick
Assignee (at issue)
General Electric 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.