Granted Patent
Utility
US 5,229,677 · App. 07/764,505
Electric propulsion motor for marine vehicles
Inventors:
Thomas B. Dade, Kenneth W. Leiding, Peter Mongeau, Mark S. Piercey
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Sep 18, 1991
Inventors
Thomas B. Dade
Kenneth W. Leiding
Peter Mongeau
Mark S. Piercey
Assignee (at issue)
Newport News Shipbuilding and Dry Dock Company
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.