IP Library › Granted Patent US 6,654,388
Granted Patent Utility
US 6,654,388 · App. 09/320,388

Method and apparatus for automatically determining allocation of voice and data channels on T1/E1 line

Inventors: Robert A. Lexenberg, Yifei Huang
Patented Case View Patent ↗
Granted: Nov 25, 2003 Filed: May 26, 1999
Inventors
Robert A. Lexenberg
Yifei Huang
Assignee (at issue)
Larscom Incorporated

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 6,654,388
App. No.
09/320,388
Filed
1999-05-26
Granted
2003-11-25
Kind
B1