Patent Assignment
Reel/Frame 053670/0407
Corrective Assignment to Correct the Second Inventor's Execution Date Previously Recorded at Reel: 052890 Frame: 0602. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2020-09-02
Pages: 9
Assignors
LI, LEIMING
Executed: 2020-03-11
XU, LIANG
Executed: 2020-07-18
OGLE, JAMES WILLIAM
Executed: 2020-05-27
Assignee
MULTI-CHEM GROUP, LLC
3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3219
Covered Property
(1)
Water-Based Friction Reducing Additives
Patent:
11,326,091 →
Application:
16/830,530 →
Publication:
US 2021/0301195
PCT:
PCT/US2020/025711 ↗
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.