Granted Patent
Utility
US 4,913,245 · App. 07/006,290
Wellbore drilling cuttings treatment
Inventor:
James L. Skinner
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Jan 20, 1987
Inventor
James L. Skinner
Assignee (at issue)
Atlantic Richfield Company
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.