Granted Patent
Utility
US 4,626,981 · App. 06/761,847
Dual voltage converter circuit
Inventors:
Robert Su, Fang-Nung Leu
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Aug 2, 1985
Inventors
Robert Su
Fang-Nung Leu
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.