Granted Patent
Utility
US 4,394,466 · App. 06/320,026
Fulvene binder compositions
Inventors:
Bruce A. Gruber, Heimo J. Langer, William R. Dunnavant
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Nov 10, 1981
Inventors
Bruce A. Gruber
Heimo J. Langer
William R. Dunnavant
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.