IP Library › Assignment 019548/0334
Patent Assignment
Reel/Frame 019548/0334

Assignment of Assignor's Interest

Recorded: 2007-07-12 Pages: 3
Assignors
HAN, JI-WOONG
Executed: 2007-06-11
YOO, YONG-KYU
Executed: 2007-06-11
Assignee
KTFREETEL CO., LTD
LOTTE CASTLE PLAZA, 7-18 SINCHEON-DONG, SONGPA-GU, SEOUL, 138-240, KOREA, REPUBLIC OF
Covered Property (1)
Method and Apparatus for Providing Virtual Mobile Phone Number
Patent: 8,326,288 →
Application: 11/813,766 →
Publication: US 2008/0081617
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Jul 20, 2009
From: KTFREETEL CO., LTD.
To: KT CORPORATION
Reel/Frame 022976/0032 →
Assignment of Assignor's Interest Oct 2, 2014
From: KT CORPORATION
To: INTELLECTUAL DISCOVERY CO., LTD.
Reel/Frame 033869/0809 →
Assignment of Assignor's Interest Dec 4, 2020
From: INTELLECTUAL DISCOVERY CO. LTD
To: WIRELESS ALLIANCE, LLC
Reel/Frame 054637/0207 →