Granted Patent
Utility
US 4,968,186 · App. 07/483,133
Mechanically stabilized earth system and method of making same
Inventor:
John M. Ogorchock
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Feb 22, 1990
Inventor
John M. Ogorchock
Assignee (at issue)
Tricon Precast, Ltd.
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.