Patent Assignment
Reel/Frame 021010/0291
Articles of Amendment
Recorded: 2008-05-28
Pages: 4
Assignor
PRODRIL ACQUISITION COMPANY, INC.
Executed: 2004-01-15
Assignee
PARTICLE DRILLING, INC.
5611 BAIRD CT, HOUSTON, TEXAS, 77041
Covered Property
(1)
Impact Excavation System and Method with Two-Stage Inductor
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment and Assumption Agreement
May 28, 2008
From: CURLETT FAMILY LIMITED PARTNERSHIP LTD.
To: PRODRIL ACQUISITION COMPANY
Reel/Frame 021010/0396 →
Change of Name
May 28, 2008
From: MEDXLINK CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021009/0294 →
Merger
May 28, 2008
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: MEDXLINK CORP
Reel/Frame 021009/0398 →
Merger
May 28, 2008
From: PDTI ACQUISITION CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021009/0490 →
Merger
May 28, 2008
From: PARTICLE DRILLING, INC.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021009/0641 →
Assignment of Assignor's Interest
May 28, 2008
From: HARDER, NATHAN; PADGETT, PAUL
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021009/0978 →
Assignment of Assignor's Interest
May 28, 2008
From: CURLETT, HARRY; SHARP, DAVID; GREGORY, MARVIN
To: CURLETT FAMILY LIMITED PARTNERSHIP
Reel/Frame 021010/0035 →
Articles/Certificate of Correction
May 28, 2008
From: PRODRIL ACQUISITION COMPANY
To: PRODRIL ACQUISITION COMPANY, INC.
Reel/Frame 021010/0363 →
Assignment of Assignor's Interest
Oct 9, 2009
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: PDTI HOLDINGS, LLC
Reel/Frame 023348/0522 →