Patent Assignment
Reel/Frame 004012/0777
Assignment of Assignors Interest.
Recorded: 1982-06-07
Pages: 3
Assignee
GEO VANN, INC.
A CORP. OF NEW MEXICO, HOUSTON, TEXAS
Covered Property
(1)
Well Cleanup and Completion Method and Apparatus
Patent:
4,510,999 →
Application:
06/385,708 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →