IP Library Assignment 004012/0805
Patent Assignment
Reel/Frame 004012/0805

Assignment of Assignors Interest.

Recorded: 1982-06-07 Pages: 3
Assignors
VANN, ROY R.
Executed: 1982-05-13
COLLE, EDWARD A. JR
Executed: 1982-05-14
Assignee
GEO VANN, INC.
A CORP. OF NEW MEXICO, HOUSTON, TEXAS
Covered Property (1)
Perforating Gun Charge Carrier Improvements
Application: 06/385,463 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →