Granted Patent
Utility
US 4,459,576 · App. 06/427,331
Toroidal transformer with electrostatic shield
Inventors:
David A. Fox, Donal E. Baker
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Sep 29, 1982
Inventors
David A. Fox
Donal E. Baker
Assignee (at issue)
Westinghouse Electric Company LLC
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.