Granted Patent
Utility
US 5,972,520 · App. 08/799,535
High gloss high impact TPO coextrusion and method of making
Inventor:
George D. Howell
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Feb 12, 1997
Inventor
George D. Howell
Assignee (at issue)
UVTEC, Incorporated
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.