IP Library › Assignment 052998/0833
Patent Assignment
Reel/Frame 052998/0833

Assignment of Assignor's Interest

Recorded: 2020-06-22 Pages: 3
Assignors
TU, GUANFU
Executed: 2020-06-17
LIU, QIANG
Executed: 2020-06-17
LIU, XIAOBO
Executed: 2020-06-17
JIANG, SHINGUI
Executed: 2020-06-17
Assignee
KINGDREAM PUBLIC LIMITED COMPANY
NO. 5, HUAGONGYUAN NO. 1 ROAD, EAST LAKE NEW-TECH. DEVELOPMENT ZONE, WUHAN, HUBEI, 430223, CHINA
Covered Property (1)
Hybrid Bit with Roller Cones Having Inserts
Application: 16/956,395 →
Publication: US 2021/0087886
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 3, 2024
From: KINGDREAM PUBLIC LIMITED COMPANY
To: KINGDREAM PUBLIC LIMITED COMPANY; SINOPEC OILFIELD EQUIPMENT CORPORATION
Reel/Frame 067904/0234 →