Granted Patent
Utility
US 4,493,016 · App. 06/433,322
Rectifier transformer
Inventors:
Edward J. Cham, Theodore R. Specht
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Oct 7, 1982
Inventors
Edward J. Cham
Theodore R. Specht
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.