Granted Patent
Utility
US 6,227,409 · App. 09/425,800
Fluid flow system and method with selective flow rate measurement
Inventor:
Ron Brown
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Oct 25, 1999
Inventor
Ron Brown
Assignee (at issue)
Dresser Equipment Group, 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.