Granted Patent
Utility
US 5,000,566 · App. 07/461,348
Optical velocimeter
Inventors:
John D. Kuppenheimer, Jr., Patrick Elliott Perkins
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Jan 5, 1990
Inventors
John D. Kuppenheimer, Jr.
Patrick Elliott Perkins
Assignee (at issue)
Lockheed Sanders, 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.