Granted Patent
Utility
US 6,802,813 · App. 10/444,424
Methods and apparatus for monitoring and quantifying the movement of fluid
Inventor:
Ernest G. Schutt
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: May 23, 2003
Inventor
Ernest G. Schutt
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.