IP Library Assignment 003883/0326
Patent Assignment
Reel/Frame 003883/0326

Assignment of Assignors Interest.

Recorded: 1981-07-13 Pages: 1
Assignor
VANN ROY R.
Executed: 1981-06-25
Assignee
GEO. VANN, INC., A CORP. OF NM
P.O. BOX 4449, HOUSTON, TEXAS, 77210
Covered Property (1)
Ball Switch Device and Method
Application: 06/175,515 →
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 →