Granted Patent
Utility
US 5,935,640 · App. 08/982,980
Method for enhancing the solderability of a surface
Inventors:
Donald Ferrier, Eric Yakobson
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Dec 2, 1997
Inventors
Donald Ferrier
Eric Yakobson
Assignee (at issue)
MacDermid, Incorporated
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.