Granted Patent
Utility
US 4,507,365 · App. 06/553,618
Chemically modified asphalt protective coating solution and concrete coated with same
Inventors:
Loren Lower, Alfred Marzocchi, Frederick H. Ponn, Michael G. Roberts
Patented Case
View Patent ↗
Granted: Mar 26, 1985
Filed: Nov 21, 1983
Inventors
Loren Lower
Alfred Marzocchi
Frederick H. Ponn
Michael G. Roberts
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.