Granted Patent
Utility
US 6,681,645 · App. 10/113,411
Moving target flow meter
Inventor:
Murray F. Feller
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Apr 1, 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.