Patent Assignment
Reel/Frame 021002/0866
Merger
Recorded: 2008-05-27
Pages: 6
Assignor
PDTI ACQUISITION CORP
Executed: 2004-07-14
Assignee
PARTICLE DRILLING TECHNOLOGIES, INC.
5611 BAIRD CT, HOUSTON, TEXAS, 77041
Covered Property
(1)
Impact Excavation System and Method with Injection System
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 8, 2008
From: HARDER, NATHAN J.; PADGETT, PAUL O.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020921/0347 →
Change of Name
May 27, 2008
From: MEDXLINK CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021002/0353 →
Merger
May 27, 2008
From: PARTICLE DRILLING, INC.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021002/0934 →
Articles of Amendment
May 27, 2008
From: PRODRIL ACQUISITION COMPANY, INC.
To: PARTICLE DRILLING, INC.
Reel/Frame 021004/0368 →
Articles/Certificate of Correction
May 27, 2008
From: PRODRIL ACQUISITION COMPANY
To: PRODRIL ACQUISITION COMPANY, INC.
Reel/Frame 021004/0422 →
Assignment of Assignor's Interest
May 27, 2008
From: CURLETT, HARRY B.; SHARP, DAVID P.; GREGORY, MARVIN A.
To: CURLETT FAMILY LIMITED PARTNERSHIP
Reel/Frame 021004/0478 →
Assignment and Assumption Agreement
May 27, 2008
From: CURLETT FAMILY LIMITED PARTNERSHIP LTD.
To: PRODRIL ACQUISITION COMPANY
Reel/Frame 021004/0525 →
Merger
May 27, 2008
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: MEDXLINK CORP
Reel/Frame 021039/0522 →
Assignment of Assignor's Interest
Oct 9, 2009
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: PDTI HOLDINGS, LLC
Reel/Frame 023348/0522 →