Granted Patent
Utility
US 4,888,477 · App. 07/266,736
Range measurement for active optical recognition devices
Inventor:
Donald B. Nankivil
Patented Case
View Patent ↗
Granted: Dec 19, 1989
Filed: Nov 3, 1988
Inventor
Donald B. Nankivil
Assignee (at issue)
Ford Aerospace Corporation
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.