Assignment of Assignor's Interest

Recorded: 2003-06-05 Pages: 3

Assignor

PRESTON, YALE MATTHEW

Executed: 2003-06-04

Assignee

DOWN-HOLE SYSTEMS, L.L.C.

327 NORTH MAIN, BUFFALO, WYOMING, 82834

Covered Property (1)

Baffle System for Two-Phase Annular Flow

Patent: 6,959,764 →

Application: 10/455,562 →

Publication: US 2004/0244988

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.