Granted Patent
Utility
US 4,227,140 · App. 05/878,494
Battery charger
Inventors:
Paul C. Nardella, Joseph D. Feeney, Thomas A. Wrublewski, Anthony W. Gonsalves
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Feb 16, 1978
Inventors
Paul C. Nardella
Joseph D. Feeney
Thomas A. Wrublewski
Anthony W. Gonsalves
Assignee (at issue)
Codman & Shurtleff, 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.