Granted Patent
Utility
US 6,037,802 · App. 08/864,853
Tristate buffer having a bipolar transistor
Inventor:
Seiichi Watarai
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: May 29, 1997
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.