Granted Patent
Utility
US 6,572,308 · App. 10/065,114
Water jet earth anchor
Inventor:
Rodney J Busto
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Sep 18, 2002
Inventor
Rodney J Busto
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.