Granted Patent
Utility
US 5,387,993 · App. 08/083,725
Method for receiving and transmitting optical data and control information to and from remotely located receivers and transmitters in an optical locator system
Inventors:
Alan C. Heller, Christopher W. Fox
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Jun 25, 1993
Inventors
Alan C. Heller
Christopher W. Fox
Assignee (at issue)
Precision Tracking FM, 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.