IP Library Granted Patent US 5,986,471
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,986,471
App. No.
08/950,446
Filed
1997-10-15
Granted
1999-11-16
Kind
A