IP Library › Assignment 031369/0612
Patent Assignment
Reel/Frame 031369/0612

Assignment of Assignor's Interest

Recorded: 2013-09-24 Pages: 4
Assignors
LIU, ZHIPING
Executed: 2013-09-18
YANG, DONGFENG
Executed: 2013-09-18
YANG, WENMING
Executed: 2013-09-18
Assignee
LUOYANG JIANGUANG PETROCHEMICAL EQUIPMENT CO., LTD
NO. 11, DONGMAGOU INDUSTRIAL PARK, NEW & HIGH-TECH INDUSTRY DEVELOPMENT ZONE LUOYANG, HENAN 471003, CHINA
Covered Property (1)
Top Drive Mechanism for Drill Rod
Patent: 9,458,382 →
Application: 14/007,011 →
Publication: US 2014/0014491
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 21, 2015
From: LUOYANG JIANGUANG PETROCHEMCIAL EQUIPMENT CO, LTD.
To: LUOYANG JIANGUANG SPECIAL EQUIPMENT CO., LTD.
Reel/Frame 036642/0787 →