Patent Assignment
Reel/Frame 021024/0038
Assignment and Assumption Agreement
Recorded: 2008-05-30
Pages: 6
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 Injection System
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 16, 2008
From: HARDER, NATHAN J.; PADGETT, PAUL O.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020960/0949 →
Merger
May 30, 2008
From: PDTI ACQUISITION CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021018/0268 →
Merger
May 30, 2008
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: MEDXLINK CORP
Reel/Frame 021018/0274 →
Change of Name
May 30, 2008
From: MEDXLINK CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021018/0291 →
Articles/Certificate of Correction
May 30, 2008
From: PRODRIL ACQUISITION COMPANY
To: PRODRIL ACQUISITION COMPANY, INC.
Reel/Frame 021018/0437 →
Assignment of Assignor's Interest
May 30, 2008
From: CURLETT, HARRY; SHARP, DAVID; GREGORY, MARVIN
To: CURLETT FAMILY LIMITED PARTNERSHIP
Reel/Frame 021022/0123 →
Merger
May 30, 2008
From: PARTICLE DRILLING, INC.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021040/0703 →
Articles of Amendment
May 30, 2008
From: PRODRIL ACQUISITION COMPANY, INC.
To: PARTICLE DRILLING, INC.
Reel/Frame 021040/0725 →
Assignment of Assignor's Interest
Oct 9, 2009
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: PDTI HOLDINGS, LLC
Reel/Frame 023348/0522 →