Granted Patent
Utility
US 4,613,428 · App. 06/513,535
Hydrocarbon cracking process
Inventor:
Robert R. Edison
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Jul 13, 1983
Inventor
Robert R. Edison
Assignee (at issue)
Katalistiks, 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.