Patent Assignment
Reel/Frame 062213/0895
Assignment of Assignor's Interest
Recorded: 2022-12-27
Pages: 4
Assignors
VIGDERMAN, LEONID
Executed: 2018-09-19
SHEN, LINGJUAN
Executed: 2018-09-18
FU, DIANKUI
Executed: 2018-09-19
Assignee
BJ SERVICES, LLC
11211 FM 2920, TOMBALL, TEXAS, 77375
Covered Property
(1)
Frac Fluids for Far Field Diversion
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.