Granted Patent
Utility
US 6,069,221 · App. 09/127,193
Powder coating compositions containing a carboxylic acid functional polyester
Inventors:
Anthony M. Chasser, John R. Schneider, Debra L. Singer
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jul 31, 1998
Inventors
Anthony M. Chasser
John R. Schneider
Debra L. Singer
Assignee (at issue)
PPG Industries Ohio, 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.