Granted Patent
Utility
US 4,436,848 · App. 06/484,131
Aqueous co-emulsions of epoxy resin and mineral oil
Inventors:
Richard M. Haines, Robert Wong, Elisabeth J. Berger
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: Apr 12, 1983
Inventors
Richard M. Haines
Robert Wong
Elisabeth J. Berger
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.