Granted Patent
Utility
US 4,220,038 · App. 06/055,840
Apparatus for monitoring instrument readings of transient force of a moving fluid column
Inventor:
Joseph W. Kantorski
Patented Case
View Patent ↗
Granted: Sep 2, 1980
Filed: Jul 9, 1979
Inventor
Joseph W. Kantorski
Assignee (at issue)
American Optical 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.