Patent Assignment
Reel/Frame 021014/0416
Articles/Certificate of Correction
Recorded: 2008-05-29
Pages: 8
Assignor
PRODRIL ACQUISITION COMPANY
Executed: 2003-06-09
Assignee
PRODRIL ACQUISITION COMPANY, INC.
808 TRAVIS STREET, SUITE # 850, HOUSTON, TEXAS, 77002
Covered Property
(1)
Impact Excavation System and Method with Particle Trap
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 22, 2008
From: HARDER, NATHAN J; PADGETT, PAUL O
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020838/0729 →
Assignment of Assignor's Interest
May 29, 2008
From: CURLETT, HARRY; SHARP, DAVID; GREGORY, MARVIN
To: CURLETT FAMILY LIMITED PARTNERSHIP
Reel/Frame 021013/0576 →
Merger
May 29, 2008
From: PARTICLE DRILLING, INC.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021014/0001 →
Merger
May 29, 2008
From: PDTI ACQUISITION CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021014/0073 →
Assignment and Assumption Agreement
May 29, 2008
From: CURLETT FAMILY LIMITED PARTNERSHIP LTD.
To: PRODRIL ACQUISITION COMPANY
Reel/Frame 021014/0101 →
Merger
May 29, 2008
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: MEDXLINK CORP
Reel/Frame 021014/0116 →
Change of Name
May 29, 2008
From: MEDXLINK CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021014/0174 →
Articles of Amendment
May 29, 2008
From: PRODRIL ACQUISITION COMPANY, INC.
To: PARTICLE DRILLING, INC.
Reel/Frame 021014/0462 →
Assignment of Assignor's Interest
Oct 9, 2009
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: PDTI HOLDINGS, LLC
Reel/Frame 023348/0522 →