Granted Patent
Utility
US 6,561,043 · App. 09/700,344
Oil well flow meter with circumferentially extending pocket
Inventor:
Lloyd Bailey
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Feb 2, 2001
Inventor
Lloyd Bailey
Assignee (at issue)
ABB Offshore Systems Limited
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.