Granted Patent
Utility
US 5,350,255 · App. 08/006,222
Geosynthetic clay liner with modified edges for improved sealing
Inventor:
Richard Carriker
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Jan 19, 1993
Inventor
Richard Carriker
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.