Patent Assignment
Reel/Frame 004600/0565
Assignor Herby Quitclaim, Sell and Assign All Right, Title and Interest in Saide Patents to Assignee. (See Record for Details)
Recorded: 1986-08-04
Pages: 5
Assignor
PEABODY INTERNATIONAL CORPORATION
Executed: 1985-11-14
Assignee
GEO INTERNATIONAL CORPORATION
STAMFORD, CONNECTICUT
Covered Properties
(2)
Method and Apparatus for Determining Communication of Perforated Zone with a Second Zone
Patent:
3,848,124 →
Application:
05/315,605 →
Marker for Cemented Casing
Patent:
3,835,317 →
Application:
05/317,648 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Effective. 9-21-77
Feb 22, 1982
From: VANN, ROY R.
To: GEO VANN, INC. A CORP. OF NEW MEXICO
Reel/Frame 003950/0314 →
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 →
Assignor Hereby Quitclaim, Sell and Assign All Right, Title and Interest in Said Patents to Assignee. (Se Record for Details)
Aug 4, 1986
From: GEO INTERNATIONAL CORPORATION, A CORP. OF DE.
To: GEO VANN, INC., A CORP. OF MEXICO
Reel/Frame 004600/0570 →
Merger
Aug 28, 1986
From: VANN SYSTEMS, INC.
To: HALLIBURTON COMPANY
Reel/Frame 004606/0300 →
Change of Name
Aug 28, 1986
From: GEO VANN, INC.
To: VANN SYSTEMS INC.
Reel/Frame 004606/0291 →