Granted Patent
Utility
US 6,202,368 · App. 09/346,830
Earth anchoring system
Inventor:
Millard F. WALLACE
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Jul 2, 1999
Inventor
Millard F. WALLACE
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.