Granted Patent
Utility
US 6,014,043 · App. 08/923,965
Current switching type switch circuit
Inventor:
Yoshio Nishida
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Sep 5, 1997
Inventor
Yoshio Nishida
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.