Granted Patent
Utility
US 4,456,633 · App. 06/453,028
Chip seal technique employing blends of asphaltic emulsions
Inventors:
Anthony V. Grossi, Charles E. Bolen, Louis T. Hahn, Alfred Marzocchi
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Dec 27, 1982
Inventors
Anthony V. Grossi
Charles E. Bolen
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.