IP Library Granted Patent US 6,654,422
Granted Patent Utility
US 6,654,422 · App. 09/312,167

Efficient automatic repeat request method using variable length sequence numbers

Inventors: Farooq Khan, Douglas Knisely, Sarath Kumar, Kameswara Medapalli, Sanjiv Nanda
Patented Case View Patent ↗
Granted: Nov 25, 2003 Filed: May 14, 1999
Inventors
Farooq Khan
Douglas Knisely
Sarath Kumar
Kameswara Medapalli
Sanjiv Nanda
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 6,654,422
App. No.
09/312,167
Filed
1999-05-14
Granted
2003-11-25
Kind
B1