Granted Patent
Utility
US 5,187,220 · App. 07/632,376
Thermosetting resin-based coating powders containing metal flakes
Inventors:
Douglas S. Richart, Andrew T. Daly
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Dec 21, 1990
Inventors
Douglas S. Richart
Andrew T. Daly
Assignee (at issue)
Morton International, 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.