Granted Patent
Utility
US 4,355,194 · App. 06/204,436
Method for preparing high density liquid hydrocarbon fuels
Inventors:
Richard V. Norton, Dennis H. Fisher, Garry M. Graham, Peter Frank
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Nov 6, 1980
Inventors
Richard V. Norton
Dennis H. Fisher
Garry M. Graham
Peter Frank
Assignee (at issue)
Ashland Oil, 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.