Granted Patent
Utility
US 5,625,363 · App. 08/413,986
Paging/messaging system using GPS satellites
Inventor:
James J. Spilker, Jr.
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Mar 15, 1995
Inventor
James J. Spilker, Jr.
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.