Granted Patent
Utility
US 5,375,140 · App. 07/980,957
Wireless direct sequence spread spectrum digital cellular telephone system
Inventors:
Herman Bustamante, Francis D. Natali, David T. Magill
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Nov 24, 1992
Inventors
Herman Bustamante
Francis D. Natali
David T. Magill
Assignee (at issue)
Stanford Telecommunications, 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.