Granted Patent
Utility
US 5,739,593 · App. 08/753,425
Voltage source circuit for generating a plurality of values of voltages
Inventor:
Hiroshi Hayama
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Nov 25, 1996
Inventor
Hiroshi Hayama
Assignee (at issue)
NEC 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.