Granted Patent
Utility
US 4,824,880 · App. 07/049,372
Asphalt adhesives
Inventors:
Donald J. Algrim, William E. Uffner, Glenn D. Lamb, Stephen J. Jones
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: May 14, 1987
Inventors
Donald J. Algrim
William E. Uffner
Glenn D. Lamb
Stephen J. Jones
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.