Granted Patent
Utility
US 5,210,330 · App. 07/748,592
Process for the preparation of phenylhydroquinone
Inventors:
Dewey W. Fuller, Jr, Bruce L. Gustafson, Bobby Bernard
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Aug 22, 1991
Inventors
Dewey W. Fuller, Jr
Bruce L. Gustafson
Bobby Bernard
Assignee (at issue)
EASTMAN KODAK 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.