Granted Patent
Utility
US 4,808,656 · App. 07/045,332
High solids coating compositions
Inventors:
Charles M. Kania, Samuel Porter, Jr.
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: May 4, 1987
Inventors
Charles M. Kania
Samuel Porter, Jr.
Assignee (at issue)
PPG Industries, 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.