Granted Patent
Utility
US 6,220,103 · App. 08/680,465
Vortex detector and flow meter
Inventors:
Charles E. Miller, Louis T. Yoshida, Michael Steinbach, John F. Waers
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jul 15, 1996
Inventors
Charles E. Miller
Louis T. Yoshida
Michael Steinbach
John F. Waers
Assignee (at issue)
Engineering Measurements 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.