Granted Patent
Utility
US 5,694,069 · App. 08/507,149
Variable resistor and gain control circuit and integrated circuit having the variable resistor
Inventors:
Masaaki Kasashima, Hiroshi Nakamura
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jul 26, 1995
Inventors
Masaaki Kasashima
Hiroshi Nakamura
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.