Granted Patent
Utility
US 5,743,777 · App. 08/851,492
Method of manufacturing nickel core copper center electrodes
Inventor:
Andre Demeuter
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: May 5, 1997
Inventor
Andre Demeuter
Assignee (at issue)
Cooper Industries Holdings
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.