Granted Patent
Utility
US 4,243,426 · App. 06/066,207
Asphalt compositions modified with organo-silane compounds
Inventors:
Alfred Marzocchi, Michael G. Roberts, Charles E. Bolen
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Aug 13, 1979
Inventors
Alfred Marzocchi
Michael G. Roberts
Charles E. Bolen
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.