Patent Assignment
Reel/Frame 053612/0735
Assignment of Assignor's Interest
Recorded: 2020-08-27
Pages: 7
Assignors
TIAN, HAIFENG
Executed: 2020-08-20
LI, XINHUA
Executed: 2020-08-20
WANG, JIANLIN
Executed: 2020-08-20
Assignee
SHANDONG TIANGONG PETROLEUM EQUIPMENT CO., LTD.
NO.618 YULAN ROAD, QUFU (LINGCHENG) HIGH-TECH INDUSTRIAL DEVELOPMENT ZONE, JINING CITY, SHANDONG PROVINCE, CHINA
Covered Property
(1)
Oil Well Monitoring Apparatus and Method