Patent Assignment
Reel/Frame 003950/0324
Assignment of Assignors Interest.
Recorded: 1982-02-22
Pages: 5
Assignor
PEABODY VANN, A CORP. OF NM
Executed: 1982-02-17
Assignee
GEO VANN INC., A CORP. OF NEW MEX.
HOUSTON, TEXAS
Covered Properties
(6)
High Temperature Perforating Method
Patent:
4,078,611 →
Application:
05/739,128 →
Method and Apparatus for Completing a Slanted Wellbore
Patent:
4,194,577 →
Application:
05/842,565 →
High Density Jet Perforating Casing Gun
Patent:
4,140,188 →
Application:
05/842,567 →
Vent Assembly
Patent:
4,151,880 →
Application:
05/843,151 →
Method and Apparatus for Isolating and Treating Subsurface Stratas
Patent:
4,125,159 →
Application:
05/843,152 →
Method and Apparatus for Completing a Slanted Wellbore
Patent:
4,269,278 →
Application:
06/110,507 →
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 8, 1984
From: PEABODY INTERNATIONAL CORPORATION
To: GEO INTERNATIONAL CORPORATION
Reel/Frame 004231/0865 →
Assignment of Assignors Interest.
Mar 8, 1984
From: GEO INTERNATIONAL CORPORATION
To: GEO VANN, INC., A NM CORP.
Reel/Frame 004231/0869 →
Assignment of Assignors Interest.
Mar 8, 1984
From: VANN, ROY R, SR.
To: PEABODY INTERNATIONAL CORPORATION, A DE CORP.
Reel/Frame 004231/0873 →
Assignment of Assignors Interest.
May 16, 1986
From: PEABODY INTERNATIONAL CORPORATION
To: GEO INTERNATIONAL CORPORATION
Reel/Frame 004555/0052 →
Change of Name
Aug 28, 1986
From: GEO VANN, INC.
To: VANN SYSTEMS INC.
Reel/Frame 004606/0291 →
Merger
Aug 28, 1986
From: VANN SYSTEMS, INC.
To: HALLIBURTON COMPANY
Reel/Frame 004606/0300 →