Granted Patent
Utility
US 6,418,796 · App. 09/566,411
Sonic flow measurement apparatus for tubes including sonically matched plates
Inventor:
Joseph Baumoel
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: May 8, 2000
Inventor
Joseph Baumoel
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.