Granted Patent
Utility
US 5,959,170 · App. 06/738,110
Methane conversion process
Inventor:
Howard Paul Withers, Jr.
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: May 24, 1985
Inventor
Howard Paul Withers, Jr.
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.