Granted Patent
Utility
US 6,052,018 · App. 09/096,169
Small amplitude signal output circuit
Inventor:
Seiichi Watarai
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Jun 12, 1998
Inventor
Seiichi Watarai
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.