Granted Patent
Utility
US 5,420,500 · App. 07/981,665
Pacitive electrode system for detecting open solder joints in printed circuit assemblies
Inventor:
Ronald K. Kerschner
Patented Case
View Patent ↗
Granted: May 30, 1995
Filed: Nov 25, 1992
Inventor
Ronald K. Kerschner
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.