Granted Patent
Utility
US 5,115,434 · App. 07/651,137
Different power source interface circuit
Inventor:
Akane Aizaki
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Feb 6, 1991
Inventor
Akane Aizaki
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.