Granted Patent
Utility
US 6,476,532 · App. 09/222,476
Magnetostrictive-compensated core of electromagnetic device
Inventor:
Donald E. Kennamer
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Dec 29, 1998
Inventor
Donald E. Kennamer
Assignees (at issue)
Newport News Shipbuilding
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.