Granted Patent
Utility
US 5,041,739 · App. 07/566,913
Substrate potential generating circuit
Inventor:
Hiroyuki Goto
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Aug 14, 1990
Inventor
Hiroyuki Goto
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.