IP Library › Assignment 038094/0161
Patent Assignment
Reel/Frame 038094/0161

Assignment of Assignor's Interest

Recorded: 2016-03-24 Pages: 4
Assignor
IONESCU, ALEXANDRU C.
Executed: 2012-02-22
Assignee
T-MOBILE USA, INC.
12920 SE 38TH STREET, BELLEVUE, WASHINGTON, 98006-1350
Covered Property (1)
System and Method for Subscribing for Internet Protocol Multimedia Subsystems (Ims) Services Registration Status
Patent: 9,538,492 →
Application: 15/063,434 →
Publication: US 2016/0192313
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 TELEKOM AG
To: T-MOBILE USA, INC.; IBSV LLC
Reel/Frame 052969/0381 →
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: IBSV LLC; LAYER3 TV, LLC; PUSHSPRING, LLC; T-MOBILE CENTRAL LLC
Reel/Frame 062595/0001 →