Granted Patent
Utility
US 6,279,471 · App. 09/454,081
Drilling fluid recovery defluidization system
Inventor:
Jeffrey Reddoch
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Dec 3, 1999
Inventor
Jeffrey Reddoch
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.