IP Library Assignment 019335/0062
Patent Assignment
Reel/Frame 019335/0062

Assignment of Assignor's Interest

Recorded: 2007-05-23 Pages: 5
Assignors
HWANG, SANG-IL
Executed: 2007-05-21
LIM, HYUN JU
Executed: 2007-05-21
Assignee
DONGBU HITEK CO., LTD.
891-10 DAECHI-DONG, GANGNAM-GU, SEOUL, 135-280, KOREA, REPUBLIC OF
Covered Property (1)
Method of Forming Dual Damascene Pattern
Patent: 7,662,711 →
Application: 11/752,625 →
Publication: US 2007/0273027
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 30, 2017
From: DONGBU HITEK CO., LTD.
To: DB HITEK CO., LTD.
Reel/Frame 044559/0819 →
Assignment of Assignor's Interest Jul 10, 2019
From: DB HITEK CO., LTD.
To: COLUMBA TECHNOLOGIES INC.
Reel/Frame 049709/0857 →