Granted Patent
Utility
US 6,088,091 · App. 09/075,878
Position tracking system
Inventors:
David P. Ramer, Jack C. Rains, Jr.
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: May 12, 1998
Inventors
David P. Ramer
Jack C. Rains, Jr.
Assignee (at issue)
Advanced Optical Technologies, 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.