Granted Patent
Utility
US 5,118,974 · App. 07/555,718
Tristate circuits with fast and slow OE signals
Inventors:
Roy L. Yarbrough, Duane G. Quiet
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Jul 19, 1990
Inventors
Roy L. Yarbrough
Duane G. Quiet
Assignee (at issue)
NATIONAL SEMICONDUCTOR 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.