Patent Assignment
Reel/Frame 042010/0842
Nunc Pro Tunc Assignment
Recorded: 2017-04-14
Pages: 4
Assignors
FU, DIANKUI
Executed: 2017-04-10
GONZALEZ, ANGEL
Executed: 2017-04-10
ZEMLAK, WARREN
Executed: 2017-04-10
Assignee
BJ SERVICES, LLC
11211 FM 2920 ROAD, TOMBALL, TEXAS, 77375
Covered Property
(1)
Borate Crosslinked Fracturing Fluids
Application:
15/480,311 →
Publication:
US 2019/0048252
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.