Granted Patent
Utility
US 5,351,270 · App. 08/064,629
Portable cellular telephone using spread spectrum communication with mobile transceiver
Inventors:
Hatch Graham, Charles Moses, Leonard Schuchman, Ronald Bruno
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: May 20, 1993
Inventors
Hatch Graham
Charles Moses
Leonard Schuchman
Ronald Bruno
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.