Patent Assignment
Reel/Frame 021010/0396
Assignment and Assumption Agreement
Recorded: 2008-05-28
Pages: 5
Assignor
CURLETT FAMILY LIMITED PARTNERSHIP LTD.
Executed: 2003-06-23
Assignee
PRODRIL ACQUISITION COMPANY
808 TRAVIS STREET, SUITE 850, HOUSTON, TEXAS, 77002
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.
Articles/Certificate of Correction
May 28, 2008
From: PRODRIL ACQUISITION COMPANY
To: PRODRIL ACQUISITION COMPANY, INC.
Reel/Frame 021010/0363 →
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 of Amendment
May 28, 2008
From: PRODRIL ACQUISITION COMPANY, INC.
To: PARTICLE DRILLING, INC.
Reel/Frame 021010/0291 →
Assignment of Assignor's Interest
Oct 9, 2009
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: PDTI HOLDINGS, LLC
Reel/Frame 023348/0522 →