Patent Assignment
Reel/Frame 027307/0834
Assignment of Assignor's Interest
Recorded: 2011-12-01
Pages: 5
Assignors
CALDWELL, CHRISTOPHER
Executed: 2008-02-21
LINKOLA, JANNE P.
Executed: 2008-03-24
HASSAN, OMAR
Executed: 2008-02-14
Assignee
T-MOBILE USA, INC.
12920 SE 38TH STREET, BELLEVUE, WASHINGTON, 98006-1350
Covered Property
(1)
System and Method to Indicate Ip-Based Wireless Telecommunications Service Availability and Related Information
Application:
13/073,944 →
Publication:
US 2012/0069776
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Nov 17, 2015
From: T-MOBILE USA, INC.; METROPCS COMMUNICATIONS, INC.; T-MOBILE SUBSIDIARY IV CORPORATION
To: DEUTSCHE BANK AG NEW YORK BRANCH, AS ADMINISTRATIVE AGENT
Reel/Frame 037125/0885 →
Intellectual Property Security Agreement
Dec 30, 2016
From: T-MOBILE USA, INC.
To: DEUTSCHE TELEKOM AG
Reel/Frame 041225/0910 →
Release of Security Interest
Apr 1, 2020
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: T-MOBILE USA, INC.; IBSV LLC; METROPCS COMMUNICATIONS, INC.; METROPCS WIRELESS, INC.
Reel/Frame 052969/0314 →
Release of Security Interest
Apr 1, 2020
From: DEUTSCHE TELEKOM AG
To: T-MOBILE USA, INC.; IBSV LLC
Reel/Frame 052969/0381 →