Granted Patent
Utility
US 5,263,380 · App. 07/836,678
Differential AC anemometer
Inventors:
Michel F. Sultan, Charles R. Harrington, John W. Hile
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: Feb 18, 1992
Inventors
Michel F. Sultan
Charles R. Harrington
John W. Hile
Assignee (at issue)
General Motors LLC
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.