Granted Patent
Utility
US 4,339,644 · App. 06/193,178
Low-power electric contact
Inventors:
Fritz Aldinger, Elke Biberbach, Albrecht Bischoff, Nils Harmsen
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Oct 1, 1980
Inventors
Fritz Aldinger
Elke Biberbach
Albrecht Bischoff
Nils Harmsen
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.