Granted Patent
Utility
US 5,247,464 · App. 07/357,078
Node location by differential time measurements
Inventor:
Robert A. Curtis
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: May 25, 1989
Inventor
Robert A. Curtis
Assignee (at issue)
Digital Equipment Corporation
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.