Granted Patent
Utility
US 6,554,948 · App. 09/643,813
Process for improving the adhesion of polymeric materials to metal surfaces
Inventor:
Donald Ferrier
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Aug 22, 2000
Inventor
Donald Ferrier
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.