Patent Assignment
Reel/Frame 042869/0173
Assignment of Assignor's Interest
Recorded: 2017-06-29
Pages: 2
Assignor
HOLDER, BARRY K.
Executed: 2015-06-17
Assignee
SUPERIOR ENERGY SERVICES, L.L.C.
1105 PETERS ROAD, HARVEY, LOUISIANA, 70058
Covered Property
(1)
EAP Actuated Valve
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Feb 11, 2021
From: CSI TECHNOLOGIES, LLC; SPN WELL SERVICES. INC.; STABIL DRILL SPECIALTIES, LLC; SUPERIOR ENERGY SERVICES, L.L.C.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 055281/0031 →
Security Interest
Oct 9, 2025
From: STABIL DRILL SPECIALTIES, L.L.C.; SUPERIOR INSPECTION SERVICES, L.L.C.; H.B. RENTALS, L.C.; SUPERIOR ENERGY SERVICES, INC.
To: TRUIST BANK, AS NOTES COLLATERAL AGENT
Reel/Frame 072526/0562 →