Granted Patent
Utility
US 4,560,223 · App. 06/626,402
Self-cleaning tri-cusp signal contact
Inventors:
James S. Cooney, Stephen A. Boyle
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Jun 29, 1984
Inventors
James S. Cooney
Stephen A. Boyle
Assignee (at issue)
Pylon, Inc
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.