Granted Patent
Utility
US 5,742,509 · App. 08/420,242
Personal tracking system integrated with base station
Inventors:
Steven H. Goldberg, Greg T. Kremer, Paul Davis
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Apr 11, 1995
Inventors
Steven H. Goldberg
Greg T. Kremer
Paul Davis
Assignee (at issue)
Trimble Navigation Limited
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.