Granted Patent
Utility
US 6,162,503 · App. 09/274,641
Process for improving the adhesion of polymeric materials to metal surfaces
Inventor:
Donald Ferrier
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Mar 23, 1999
Inventor
Donald Ferrier
Assignee (at issue)
MacDermid, 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.