Granted Patent
Utility
US 4,436,864 · App. 06/453,031
Aqueous emulsions of acrylamide and rubber modified asphalts
Inventors:
Anthony V. Grossi, Leon A. Hagelee, Louis T. Hahn, Alfred Marzocchi
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: Dec 27, 1982
Inventors
Anthony V. Grossi
Leon A. Hagelee
Louis T. Hahn
Alfred Marzocchi
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.