Patent Assignment
Reel/Frame 017368/0024
Assignment of Assignor's Interest
Recorded: 2005-12-09
Pages: 3
Assignors
SHIM, JAE-WOOK
Executed: 2005-11-08
LEE, HWANG-KYUN
Executed: 2005-11-08
AHN, HEE-JUNG
Executed: 2005-11-08
LEE, GIL-SOO
Executed: 2005-11-08
Assignees
KTFREETEL CO., LTD.
DAECHI-4DONG, GANGNAM-GU, KTF TOWER, 890-20, SEOUL, 135-737, KOREA, REPUBLIC OF
TI SQUARE TECHNOLOGY LIMITED
ISTELLSYSTEMS A-DONG, 4TH FLOOR, 621-3, PARKDAL-DONG, MANAN-GU, ANYANG-SHI, KYUNGGI-DO, 430-030, KOREA, REPUBLIC OF
Covered Property
(1)
Method and Apparatus for Changing a Sound Source of a Supplementary Service Using a Ring Back Tone on Calling
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.