Granted Patent
Utility
US 5,621,728 · App. 08/413,812
Level 1 gateway controlling broadband communications for video dial tone networks
Inventors:
Regina Lightfoot, Bill Goodman, Bahman Amin-Salehi, Ulric E. Arthur, John A. Bigham, Kamran Sistanizadeh
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Mar 28, 1995
Inventors
Regina Lightfoot
Bill Goodman
Bahman Amin-Salehi
Ulric E. Arthur
John A. Bigham
Kamran Sistanizadeh
Assignee (at issue)
Bell Atlantic Network Services
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.