Granted Patent
Utility
US 4,876,409 · App. 07/158,128
Thin bed cofeed reactors for methane conversion
Inventors:
David W. Leyshon, Robert A. Bader
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Mar 4, 1988
Inventors
David W. Leyshon
Robert A. Bader
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.