Granted Patent
Utility
US 5,816,293 · App. 08/876,527
Apparatus for installation of a liner within a pipeline
Inventor:
Larry W. Kiest, Jr.
Patented Case
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Granted: Oct 6, 1998
Filed: Jun 17, 1997
Inventor
Larry W. Kiest, Jr.
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.