Granted Patent
Utility
US 4,262,245 · App. 06/007,814
High frequency ferroresonant transformer
Inventor:
Frank Wendt
Patented Case
View Patent ↗
Granted: Apr 14, 1981
Filed: Jan 30, 1979
Inventor
Frank Wendt
Assignee (at issue)
RCA Corporation
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.