Granted Patent
Utility
US 5,237,587 · App. 07/979,123
Pseudo-noise modem and related digital correlation method
Inventor:
Ralph W. Schoolcraft
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Nov 20, 1992
Inventor
Ralph W. Schoolcraft
Assignee (at issue)
Magnavox Electronic Systems 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.