IP Library › Assignment 045125/0161
Patent Assignment
Reel/Frame 045125/0161

Assignment of Assignor's Interest

Recorded: 2018-03-06 Pages: 3
Assignors
CHIANG, HSIN-FU HENRY
Executed: 2018-03-06
LIU, JUN
Executed: 2018-03-06
Assignee
T-MOBILE USA, INC.
12920 SE 38TH STREET, BELLEVUE, WASHINGTON, 98006-1350
Covered Property (1)
Fallback Indicators in Session Initiation Protocol (Sip) Signaling
Application: 15/913,665 →
Publication: US 2019/0281647
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →