Granted Patent
Utility
US 4,778,636 · App. 06/936,083
Method of manufacturing electrically conductive pressure-formed plates comprised of plastic material
Inventors:
Manfred Krieg, Armin Meyer, Winfried Wunderlich, Rainer Friederich
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Nov 28, 1986
Inventors
Manfred Krieg
Armin Meyer
Winfried Wunderlich
Rainer Friederich
Assignee (at issue)
Rohm GmbH Chemische Fabrik
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.