Granted Patent
Utility
US 4,592,747 · App. 06/621,573
Fluid flow sensor
Inventor:
Scott Pool
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Jun 18, 1984
Inventor
Scott Pool
Assignee (at issue)
Parker-Hannifin 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.