Patent Assignment
Reel/Frame 026623/0919
Assignment of Assignor's Interest
Recorded: 2011-07-20
Pages: 4
Assignors
JIANG, XUEWEN
Executed: 2011-07-12
ZHANG, YUKAI
Executed: 2011-07-12
WU, YANGSHAN
Executed: 2011-07-12
Assignee
BEIJING OIL TECH & ENGINEERING CO. LTD.
SUITE 1210, CEC BUILDING, NO. 6 ZHONGGUANCUN SOUTH STREET, BEIJING, 100086, CHINA
Covered Property
(1)
Device for Purifying Oily Wastewater
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.