Covered Property (1)

Related Assignments (10)

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

Assignment and Assumption Agreement Apr 25, 2008

From: CURLETT FAMILY LIMITED PARTNERSHIP LTD.

To: PRODRIL ACQUISITION COMPANY

Reel/Frame 020857/0789 →

Assignment of Assignor's Interest Apr 25, 2008

From: TIBBITTS, GORDON A.; GALLOWAY, GREG; VUYK, ADRIAN, JR.; PADGETT, PAUL O.

To: PARTICLE DRILLING TECHNOLOGIES, INC.

Reel/Frame 020854/0597 →

Merger Apr 25, 2008

From: PARTICLE DRILLING, INC.

To: PARTICLE DRILLING TECHNOLOGIES, INC.

Reel/Frame 020856/0524 →

Assignment of Assignor's Interest Apr 25, 2008

From: CURLETT, HARRY BAILEY; SHARP, DAVID PAUL; GREGORY, MARVIN ALLEN

To: CURLETT FAMILY LIMITED PARTNERSHIP

Reel/Frame 020857/0125 →

Articles of Amendment Apr 25, 2008

From: PRODRIL ACQUISITION COMPANY, INC.

To: PARTICLE DRILLING, INC.

Reel/Frame 020857/0756 →

Articles/Certificate of Correction Apr 25, 2008

From: PRODRIL ACQUISITION COMPANY

To: PRODRIL ACQUISITION COMPANY, INC.

Reel/Frame 020857/0780 →

Merger May 6, 2008

From: MEDXLINK CORP

To: PARTICLE DRILLING TECHNOLOGIES, INC.

Reel/Frame 020903/0611 →

Merger May 8, 2008

From: PDTI ACQUISITION CORP

To: PARTICLE DRILLING TECHNOLOGIES, INC.

Reel/Frame 020921/0626 →

Corrective Assignment to Correct the Nature of Conveyance Should Be Change of Name with Conveying Party Medxlink Corp to Particle Drilling Technologies, Inc. Previously Recorded on Reel 020903 Frame 0611. Assignor(S) Hereby Confirms the Merger. May 9, 2008

From: MEDXLINK CORP

To: PARTICLE DRILLING TECHNOLOGIES, INC.

Reel/Frame 020929/0197 →

Assignment of Assignor's Interest Oct 9, 2009

From: PARTICLE DRILLING TECHNOLOGIES, INC.

To: PDTI HOLDINGS, LLC

Reel/Frame 023348/0522 →