Granted Patent
Utility
US 4,495,304 · App. 06/494,604
Catalyst for conversion of hydrocarbons
Inventors:
Jin S. Yoo, John A. Jaecker
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: May 16, 1983
Inventors
Jin S. Yoo
John A. Jaecker
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.