Granted Patent
Utility
US 5,863,646 · App. 08/622,194
Coating composition for plastic substrates and coated plastic articles
Inventors:
Christopher A. Verardi, Lawrence D. Meyers, William A. Humphrey
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Mar 25, 1996
Inventors
Christopher A. Verardi
Lawrence D. Meyers
William A. Humphrey
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.