Granted Patent
Utility
US 5,536,429 · App. 08/321,989
Method for treating coke and coal and products produced thereby
Inventors:
Robert Bennett, Steve Muth
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Oct 12, 1994
Inventors
Robert Bennett
Steve Muth
Assignee (at issue)
Benetech, Inc.
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.