Granted Patent
Utility
US 4,989,969 · App. 07/213,854
Time of flight velocimeter
Inventors:
Edward T. Siebert, Patrick R. Manzo
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Jun 30, 1988
Inventors
Edward T. Siebert
Patrick R. Manzo
Assignee (at issue)
Hughes Danbury Optical Systems, 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.