Granted Patent
Utility
US 5,965,670 · App. 09/072,472
Curable-film forming compositions having improved mar and acid etch resistance
Inventors:
George W. Mauer, William E. Michael, John W. Burgman, Leigh Ann Humbert
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: May 4, 1998
Inventors
George W. Mauer
William E. Michael
John W. Burgman
Leigh Ann Humbert
Assignee (at issue)
PPG Industries Ohio, Inc.
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.