IP Library Assignment 020904/0983
Patent Assignment
Reel/Frame 020904/0983

Assignment of Assignor's Interest

Recorded: 2008-05-06 Pages: 4
Assignor
JEONG, EUN-SOO
Executed: 2008-05-02
Assignee
DONGBU HITEK CO., LTD.
891-10 DAECHI-DONG, GANGNAM-GU, SEOUL, 135-280, KOREA, REPUBLIC OF
Covered Property (1)
Method for Forming Fine Pattern of Semiconductor Device
Patent: 7,858,516 →
Application: 12/115,727 →
Publication: US 2008/0305637
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 →