Granted Patent
Utility
US 5,085,903 · App. 07/557,448
Coatings for the protection of products in light-transmitting containers
Inventors:
David C. Kapp, Russell E. Boston, Leland H. Carlblom, Mildred L. McKinley, Jess A. Kozma
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jun 11, 1990
Inventors
David C. Kapp
Russell E. Boston
Leland H. Carlblom
Mildred L. McKinley
Jess A. Kozma
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.