Patent Assignment
Reel/Frame 050956/0402
Assignment of Assignor's Interest
Recorded: 2019-11-08
Pages: 6
Assignors
SANTOS, CATHERINE MARTIN
Executed: 2019-10-01
SHUMWAY, WILLIAM WALTER
Executed: 2019-10-01
DEVILLE, JAY PAUL
Executed: 2019-10-01
Assignee
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3219
Covered Property
(1)
Breaker Additives for Extended Delay in Removal of Oil-Based Filter Cakes
Patent:
11,319,477 →
Application:
16/655,119 →
Publication:
US 2021/0115320
PCT:
PCT/US2019/060118 ↗