Granted Patent
Utility
US 6,294,220 · App. 09/345,675
Post-treatment for copper on printed circuit boards
Inventors:
Peter Thomas McGrath, Abayomi I. Owei, Saeed Sardar, Eric Yakobson
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Jun 30, 1999
Inventors
Peter Thomas McGrath
Abayomi I. Owei
Saeed Sardar
Eric Yakobson
Assignee (at issue)
Alpha 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.