IP Library Assignment 058229/0691
Patent Assignment
Reel/Frame 058229/0691

Assignment of Assignor's Interest

Recorded: 2021-11-29 Pages: 2
Assignors
VAN SLYKE, DONALD CURTIS
Executed: 2021-08-14
LU, SHAWN SHAOHUA
Executed: 2021-08-09
Assignee
SHELL OIL COMPANY
P.O. BOX 576, HOUSTON, TEXAS, 77001-0576
Covered Property (1)
Hydraulic Fracturing Fluid
Application: 17/329,673 →
Publication: US 2022/0380662
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jun 15, 2023
From: SHELL OIL COMPANY
To: SHELL USA, INC.
Reel/Frame 064003/0610 →