IP Library Assignment 020395/0508
Patent Assignment
Reel/Frame 020395/0508

Assignment of Assignor's Interest

Recorded: 2008-01-22 Pages: 8
Assignors
VUYK, ADRIAN, JR.
Executed: 2007-08-21
TERRY, JIM B.
Executed: 2007-08-20
TIBBITTS, GORDON ALLEN
Executed: 2007-08-20
HARDER, NATHAN J.
Executed: 2007-09-15
GALLOWAY, GREGORY G.
Executed: 2007-08-21
Assignee
PARTICLE DRILLING TECHNOLOGIES, INC.
11757 KATY FREEWAY, SUITE 1300, HOUSTON, TEXAS, 77079
Covered Property (1)
Apparatus for Injecting Impactors into a Fluid Stream Using a Screw Extruder
Patent: 7,997,355 →
Application: 11/773,355 →
Publication: US 2009/0200084
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 9, 2009
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: PDTI HOLDINGS, LLC
Reel/Frame 023348/0522 →