IP Library Assignment 049287/0083
Patent Assignment
Reel/Frame 049287/0083

Assignment of Assignor's Interest

Recorded: 2019-05-27 Pages: 7
Assignor
ZIMMERMAN, JR., JEFFREY BRIAN
Executed: 2014-08-27
Assignee
Covered Property (1)
Plunger Lift Assembly with an Improved Free Piston Assembly
Application: 16/238,463 →
Publication: US 2019/0136849
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 23, 2020
From: SUPERIOR ENERGY SERVICES, L.L.C.
To: ENDURANCE LIFT SOLUTIONS, LLC
Reel/Frame 051602/0358 →
Patent Security Agreement Supplement Aug 3, 2023
From: ENDURANCE LIFT SOLUTIONS, LLC
To: BANK OF AMERICA, N.A., AS AGENT
Reel/Frame 064494/0104 →