Granted Patent
Utility
US 6,507,791 · App. 09/931,002
Digital flowmeter
Inventors:
Manus P. Henry, David W. Clarke, James H. Vignos
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Aug 17, 2001
Inventors
Manus P. Henry
David W. Clarke
James H. Vignos
Assignee (at issue)
Invensys Systems, 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.