IP Library Assignment 012207/0379
Patent Assignment
Reel/Frame 012207/0379

Assignment of Assignor's Interest

Recorded: 2001-09-27 Pages: 2
Assignors
LOOPER, PATRICK M.
Executed: 2001-09-27
CENTRIFLO PUMP & MACHINERY CO.
Executed: 2001-09-27
Assignee
DIAMOND ROTATING HEADS, INC.
P.O. BOX 4751, ODESSA, TEXAS, 79760
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.
Merger Mar 21, 2012
From: DIAMOND ROTATING HEADS, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 027903/0608 →