IP Library Assignment 042420/0325
Patent Assignment
Reel/Frame 042420/0325

Assignment of Assignor's Interest

Recorded: 2017-05-08 Pages: 3
Assignors
DURHAM, DANNY K.
Executed: 2011-12-21
HARLESS, MICHAEL L.
Executed: 2011-12-21
Assignee
MULTI-CHEM GROUP LLC
2905 SOUTHWEST BLVD, SAN ANGELO, TEXAS, 76904
Covered Property (1)
Method for the Use of Nitrates and Nitrate Reducing Bacteria in Hydraulic Fracturing
Application: 15/589,171 →
Publication: US 2017/0240802
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 10, 2021
From: MULTI-CHEM GROUP, LLC
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 056681/0849 →