Granted Patent
Utility
US 5,691,589 · App. 08/496,928
Detachable magnet carrier for permanent magnet motor
Inventors:
Thomas A. Keim, Peter Mongeau, Thomas B. Dade
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Jun 30, 1995
Inventors
Thomas A. Keim
Peter Mongeau
Thomas B. Dade
Assignees (at issue)
Kaman Electromagnetics Corp.
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.