Granted Patent
Utility
US 5,026,422 · App. 07/431,191
Powder coating compositions
Inventor:
Timothy W. Osborne
Patented Case
View Patent ↗
Granted: Jun 25, 1991
Filed: Nov 3, 1989
Inventor
Timothy W. Osborne
Assignee (at issue)
Union Carbide Coatings Service Technology Corporation
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.