Granted Patent
Utility
US 5,403,126 · App. 08/036,761
Surface friction enhanced geosynthetic clay liner
Inventors:
Richard Carriker, Mark Clarey, Robert M. Burton
Patented Case
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Granted: Apr 4, 1995
Filed: Mar 25, 1993
Inventors
Richard Carriker
Mark Clarey
Robert M. Burton
Assignee (at issue)
James Clem Corporation
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.