Granted Patent
Utility
US 5,926,113 · App. 08/435,523
Automatic determination of traffic signal preemption using differential GPS
Inventors:
Gary V. Jones, Ronald R. Hatch, James Hume, Richard G. Keegan
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: May 5, 1995
Inventors
Gary V. Jones
Ronald R. Hatch
James Hume
Richard G. Keegan
Assignee (at issue)
L.H. Holdings, 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.