Granted Patent
Utility
US 5,232,562 · App. 07/913,674
Electrochemical reduction treatment for soldering
Inventor:
Donald A. Elliott
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Jul 14, 1992
Inventor
Donald A. Elliott
Assignee (at issue)
Electrovert Ltd.
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.