Granted Patent
Utility
US 4,892,773 · App. 07/079,854
Preparation of amorphous metal core for use in transformer
Inventors:
Terrence E. Chenoweth, Eugenius S. Hammack, Wallace L. McDonald
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Jul 30, 1987
Inventors
Terrence E. Chenoweth
Eugenius S. Hammack
Wallace L. McDonald
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.