IP Library › Assignment 027903/0608
Patent Assignment
Reel/Frame 027903/0608

Merger

Recorded: 2012-03-21 Pages: 2
Assignor
DIAMOND ROTATING HEADS, INC.
Executed: 2010-06-23
Assignee
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD, HOUSTON, TEXAS, 77072
Covered Property (1)
Erosion Resistent Drilling Head Assembly
Patent: 6,725,951 →
Application: 09/964,057 →
Publication: US 2003/0056992
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 27, 2001
From: LOOPER, PATRICK M.; CENTRIFLO PUMP & MACHINERY CO.
To: DIAMOND ROTATING HEADS, INC.
Reel/Frame 012207/0379 →