Granted Patent
Utility
US 4,263,644 · App. 06/039,727
Current limiter for switched DC-to-DC converter
Inventor:
Neale A. Zellmer
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: May 17, 1979
Inventor
Neale A. Zellmer
Assignee (at issue)
GTE Automatic Electric Laboratories, Incorporated
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.