Granted Patent
Utility
US 6,170,338 · App. 08/826,167
Vortex flowmeter with signal processing
Inventors:
Lowell A. Kleven, Robert C. Hedtke, David E. Wiklund
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Mar 27, 1997
Inventors
Lowell A. Kleven
Robert C. Hedtke
David E. Wiklund
Assignee (at issue)
ROSEMOUNT INC.
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.