Granted Patent
Utility
US 6,722,207 · App. 10/100,453
Electro-magnetic flow transducer with insulating scroll
Inventor:
Murray F. Feller
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Mar 19, 2002
Inventor
Murray F. Feller
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.