Granted Patent
Utility
US 4,959,807 · App. 07/255,932
Device for measuring the speed of a moving object
Inventors:
Mitchell L. Thomspon, Kyung-Tae Park, Kumar Ogale, William B. Powers
Patented Case
View Patent ↗
Granted: Sep 25, 1990
Filed: Oct 11, 1988
Inventors
Mitchell L. Thomspon
Kyung-Tae Park
Kumar Ogale
William B. Powers
Assignee (at issue)
Atochem North America, 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.