IP Library Assignment 039920/0757
Patent Assignment
Reel/Frame 039920/0757

Assignment of Assignor's Interest

Recorded: 2016-10-03 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
Patent: 9,683,433 →
Application: 14/755,186 →
Publication: US 2015/0300144
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 →