Granted Patent
Utility
US 6,116,290 · App. 09/270,432
Internally insulated, corrosion resistant pipeline
Inventors:
Theodore R. Ohrn, Leland Harris Taylor, Jr.
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Mar 16, 1999
Inventors
Theodore R. Ohrn
Leland Harris Taylor, Jr.
Assignee (at issue)
J. Ray McDermott, S.A.
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.