Granted Patent
Utility
US 4,626,697 · App. 06/663,673
Power supply for providing plural DC voltages
Inventor:
David C. Nelson
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Oct 22, 1984
Inventor
David C. Nelson
Assignee (at issue)
American Hospital Supply Corp.
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.