Granted Patent
Utility
US 4,658,342 · App. 06/793,421
Dual feedback switching power supply regulator for isolated chassis
Inventor:
James H. Wharton
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Oct 31, 1985
Inventor
James H. Wharton
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.