Granted Patent
Utility
US 4,893,400 · App. 07/087,929
Method of making a repairable transformer having amorphous metal core
Inventor:
Terrence E. Chenoweth
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Aug 21, 1987
Inventor
Terrence E. Chenoweth
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.