Granted Patent
Utility
US 4,342,893 · App. 06/078,930
Composite electrical contact and bonding material
Inventor:
Heinrich Wolf
Patented Case
View Patent ↗
Granted: Aug 3, 1982
Filed: Sep 26, 1979
Inventor
Heinrich Wolf
Assignee (at issue)
W. C. Heraeus GmbH
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.