Granted Patent
Utility
US 4,304,693 · App. 06/132,918
Semisolid water-based coating compositions
Inventors:
William G. Boberski, James E. Jones, Rodger G. Temple
Patented Case
View Patent ↗
Granted: Dec 8, 1981
Filed: Mar 24, 1980
Inventors
William G. Boberski
James E. Jones
Rodger G. Temple
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.