Granted Patent
Utility
US 5,401,320 · App. 08/164,193
Method of rock decontamination
Inventor:
Tony Staples
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Dec 9, 1993
Inventor
Tony Staples
Assignee (at issue)
Baker Hughes Holdings LLC
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.