Granted Patent
Utility
US 5,927,341 · App. 08/604,975
"Lining of ""Tees"" and ""Wyes"" in pipelines or passageways"
Inventor:
Kevan Taylor
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Mar 25, 1996
Inventor
Kevan Taylor
Assignee (at issue)
Insituform (Netherlands) B.V.
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.