Granted Patent
Utility
US 4,785,421 · App. 07/054,119
Normalizing circuit
Inventors:
Toshiya Takahashi, Junichi Iwasaki
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: May 26, 1987
Inventors
Toshiya Takahashi
Junichi Iwasaki
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.