Granted Patent
Utility
US 6,331,201 · App. 09/403,900
Bismuth coating protection for copper
Inventors:
Peter Thomas McGrath, Abayomi I. Owei
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Jan 18, 2000
Inventors
Peter Thomas McGrath
Abayomi I. Owei
Assignee (at issue)
Fry's Metals, Inc.
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.