Granted Patent
Utility
US 4,313,155 · App. 06/111,616
High input voltage DC to DC power converter
Inventors:
Donald D. Bock, Kurt K. Hedel
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Jan 14, 1980
Inventors
Donald D. Bock
Kurt K. Hedel
Assignee (at issue)
General Electric Company
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.