Granted Patent
Utility
US 6,630,251 · App. 10/252,502
Leach-resistant solder alloys for silver-based thick-film conductors
Inventors:
Bradley H. Carter, Shing Yeh
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Sep 23, 2002
Inventors
Bradley H. Carter
Shing Yeh
Assignee (at issue)
Delphi Technologies
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.