Granted Patent
Utility
US 4,642,178 · App. 06/692,448
Process for conversion of hydrocarbons
Inventors:
Jin S. Yoo, John A. Jaecker
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: Jan 16, 1985
Inventors
Jin S. Yoo
John A. Jaecker
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.