Granted Patent
Utility
US 4,344,330 · App. 06/234,284
Average fluid flow sensor
Inventors:
Michael Renken, Billy P. Simmons
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: Feb 13, 1981
Inventors
Michael Renken
Billy P. Simmons
Assignee (at issue)
The Trane Company
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.