Granted Patent
Utility
US 5,175,056 · App. 07/535,365
Galvanically compatible conductive filler
Inventor:
Robert J. Teichmann
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: Jun 8, 1990
Inventor
Robert J. Teichmann
Assignee (at issue)
Potters Industries, LLC
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.