Patent Assignment
Reel/Frame 013552/0652
Assignment of Assignor's Interest
Recorded: 2002-08-29
Pages: 3
Assignor
PRUETT, PHILLIP E.
Executed: 2002-08-10
Assignee
PRUETT INDUSTRIES, INC.
8915 ROSEDALE HIGHWAY, BAKERSFIELD, CALIFORNIA, 93312
Covered Properties
(3)
Borehole Tracer Injection and Detection Method
Patent:
5,723,781 →
Application:
08/696,325 →
Smooth Surfaced Fiber Optic Logging Cable for Well Bores
Patent:
5,892,176 →
Application:
08/747,005 →
Method for Inserting a Cable in a Duct
Patent:
6,116,578 →
Application:
08/941,991 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 5, 1996
From: FINDLAY, MITCHELL
To: PHILLIP EDWARDS PRUETT
Reel/Frame 008451/0572 →
Assignment of Assignor's Interest
Dec 2, 1996
From: FINDLAY, MITCHELL
To: PRUETT, PHILLIP EDWARD
Reel/Frame 008272/0597 →
Assignment of Assignor's Interest
Sep 3, 2002
From: PRUETT INDUSTRIES, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 013240/0249 →
Assignment of Assignor's Interest
Jan 18, 2007
From: HALLIBURTON ENERGY SERVICES, INC.
To: WELLDYNAMICS, B.V.
Reel/Frame 018767/0859 →
Assignment of Assignor's Interest
Sep 5, 2007
From: HALLIBURTON ENERGY SERVICES, INC.
To: WELLDYNAMICS, B.V.
Reel/Frame 019781/0406 →