Granted Patent
Utility
US 5,652,299 · App. 08/718,285
Water-based vacuum forming laminating adhesive
Inventors:
Masayuki Nakajima, Richard L. Coalson, Kurt G. Olson, Umesh C. Desai
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Sep 20, 1996
Inventors
Masayuki Nakajima
Richard L. Coalson
Kurt G. Olson
Umesh C. Desai
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.