Granted Patent
Utility
US 5,210,771 · App. 07/739,037
Multiple user spread-spectrum communication system
Inventors:
Dennis R. Schaeffer, Michael D. Kotzin
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Aug 1, 1991
Inventors
Dennis R. Schaeffer
Michael D. Kotzin
Assignee (at issue)
Motorola, Inc.
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.