Granted Patent
Utility
US 5,507,346 · App. 08/380,771
Composite well flow conductor
Inventors:
John C. Gano, Donald D. Baldwin, John A. Reigle
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Jan 30, 1995
Inventors
John C. Gano
Donald D. Baldwin
John A. Reigle
Assignee (at issue)
Halliburton
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.