Granted Patent
Utility
US 6,647,021 · App. 09/201,675
Asymmetrical digital subscriber line (ADSL) upstream subscriber bus interface (SBI) protocol
Inventors:
Prakash Appanna, Tony Huang, Hamid Baradaran, Hans Christian Mogensen, Jim Lotz, Tom Kwang-Tsai Koai, Jensheng Lee
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Nov 30, 1998
Inventors
Prakash Appanna
Tony Huang
Hamid Baradaran
Hans Christian Mogensen
Jim Lotz
Tom Kwang-Tsai Koai
Jensheng Lee
Assignee (at issue)
Alcatel USA Sourcing, L.P.
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.