Patent Assignment
Reel/Frame 021090/0933
Assignment of Assignor's Interest
Recorded: 2008-06-05
Pages: 4
Assignors
KIM, JUNG-IM
Executed: 2008-06-04
RYU, BYUNG-HAN
Executed: 2008-06-04
BANG, SEUNG-CHAN
Executed: 2008-06-04
Assignee
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
161, GAJEONG-DONG, YUSEONG-GU, DAEJEON 305-350, KOREA, REPUBLIC OF
Covered Property
(1)
Wireless Communication System Counting Mobile Terminals Using Mbms
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 3, 2009
From: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
To: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE; SK TELECOM CO., LTD.; KTFREETEL CO., LTD.
Reel/Frame 022194/0131 →
Corrective Assignment to Correct the Assignees' Country Previously Recorded on Reel 022194 Frame 0131. Assignor(S) Hereby Confirms the Korea, Democratic People's Republic Of.
Mar 12, 2009
From: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
To: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE; SK TELECOM CO., LTD.; KTFREETEL CO., LTD.
Reel/Frame 022385/0488 →
Merger
Jul 20, 2009
From: KTFREETEL CO., LTD.
To: KT CORPORATION
Reel/Frame 022976/0032 →