Granted Patent
Utility
US 4,374,229 · App. 06/320,282
Thermosetting resinous molding compositions
Inventors:
William R. Dunnavant, Richard Eddy Field, Dan Borgnaes
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Nov 12, 1981
Inventors
William R. Dunnavant
Richard Eddy Field
Dan Borgnaes
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.