Granted Patent
Utility
US 6,174,947 · App. 09/123,105
Low volatile organic component polyurethane varnish
Inventors:
Robert R. Harris, Andrea L. Bander
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Jul 27, 1998
Inventors
Robert R. Harris
Andrea L. Bander
Assignee (at issue)
McWhorter Technologies 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.