Granted Patent
Utility
US 5,986,471 · App. 08/950,446
Bi-directional buffers and supplemental logic and interconnect cells for programmable logic devices
Inventors:
Barry Britton, Kai-Kit Ngai, Ho T. Nguyen, Satwant Singh, Carolyn W. Spivak, Richard G. Stuby, Jr.
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Oct 15, 1997
Inventors
Barry Britton
Kai-Kit Ngai
Ho T. Nguyen
Satwant Singh
Carolyn W. Spivak
Richard G. Stuby, Jr.
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.