Granted Patent
Utility
US 4,456,653 · App. 06/479,343
Pin for connecting machine elements with each other
Inventors:
Christoph Ruegg, Peter Voirol
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Mar 28, 1983
Inventors
Christoph Ruegg
Peter Voirol
Assignee (at issue)
Ciba-Geigy
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.