Granted Patent
Utility
US 4,349,590 · App. 06/248,089
Glass substrates with an insolubilized asphalt coating
Inventors:
Charles E. Bolen, Edward R. Harrington, Alfred Marzocchi, Michael G. Roberts
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: Mar 30, 1981
Inventors
Charles E. Bolen
Edward R. Harrington
Alfred Marzocchi
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.