Granted Patent
Utility
US 6,212,975 · App. 09/221,088
Adaptive filter with sweep filter analyzer for a vortex flowmeter
Inventor:
Warren E. Cook
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Dec 28, 1998
Inventor
Warren E. Cook
Assignee (at issue)
Fox Boro 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.