Patent Assignment
Reel/Frame 015052/0546
Assignment of Assignor's Interest
Recorded: 2004-02-27
Pages: 3
Assignee
SPRINT SPECTRUM L.P.
6450 SPRINT PARKWAY, OVERLAND PARK, KANSAS, 66251
Covered Property
(1)
Method and System to Support Internal Calling Upon Loss of Connection with Ip Centrex Server
Patent:
7,508,754 →
Application:
10/789,766 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Grant of First Priority and Junior Priority Security Interest in Patent Rights
Mar 6, 2017
From: SPRINT COMMUNICATIONS COMPANY L.P.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 041895/0210 →
Termination and Release of First Priority and Junior Priority Security Interest in Patent Rights
Apr 2, 2020
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: SPRINT COMMUNICATIONS COMPANY L.P.
Reel/Frame 052969/0475 →
Security Agreement
Apr 2, 2020
From: T-MOBILE USA, INC.; ISBV LLC; T-MOBILE CENTRAL LLC; LAYER3 TV, INC.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 053182/0001 →
Release of Security Interest
Aug 23, 2022
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: SPRINT INTERNATIONAL INCORPORATED; IBSV LLC; LAYER3 TV, LLC; PUSHSPRING, LLC
Reel/Frame 062595/0001 →