IP Library Assignment 049458/0560
Patent Assignment
Reel/Frame 049458/0560

Assignment of Assignor's Interest

Recorded: 2019-06-13 Pages: 3
Assignor
JOHNSTON, WILLIAM ROBERT
Executed: 2019-05-21
Assignee
MULTI-CHEM GROUP, LLC
3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3219
Covered Property (1)
System for Hydrogen Detection in Cooling Towers
Application: 16/434,298 →
Publication: US 2020/0049434
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 →