IP Library › Assignment 021040/0725
Patent Assignment
Reel/Frame 021040/0725

Articles of Amendment

Recorded: 2008-05-30 Pages: 5
Assignor
PRODRIL ACQUISITION COMPANY, INC.
Executed: 2004-01-15
Assignee
PARTICLE DRILLING, INC.
808 TRAVIS STREET, SUITE # 850, HOUSTON, TEXAS, 77002
Covered Properties (3)
Formation Cutting Method and System
Patent: 6,386,300 →
Application: 09/665,586 →
Formation Cutting Method and System
Patent: 6,581,700 →
Application: 10/097,038 →
Publication: US 2002/0100615
Impact Excavation System and Method with Injection System
Patent: 7,757,786 →
Application: 12/122,374 →
Publication: US 2008/0230275
Related Assignments (12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 19, 2000
From: CURLETT, HARRY BAILEY; SHARP, DAVID PAUL; GREGORY, MARVIN ALLEN
To: CURLETT FAMILY LIMITED PARTNERSHIP
Reel/Frame 011101/0211 →
Assignment and Assumption Agreement Jun 30, 2003
From: CURLETT FAMILY LIMITED PARTNERSHIP LTD.
To: PRODRIL ACQUISITION COMPANY
Reel/Frame 014215/0152 →
Assignment of Assignor's Interest Jul 25, 2005
From: CURLETT, HARRY BAILEY; SHARP, DAVID PAUL; GREGORY, MARVIN ALLEN
To: CURLETT FAMILY LIMITED PARTNERSHIP
Reel/Frame 016570/0443 →
Assignment of Assignor's Interest May 16, 2008
From: HARDER, NATHAN J.; PADGETT, PAUL O.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020960/0949 →
Articles/Certificate of Correction May 30, 2008
From: PRODRIL ACQUISITION COMPANY
To: PRODRIL ACQUISITION COMPANY, INC.
Reel/Frame 021018/0437 →
Assignment and Assumption Agreement May 30, 2008
From: CURLETT FAMILY LIMITED PARTNERSHIP LTD.
To: PRODRIL ACQUISITION COMPANY
Reel/Frame 021024/0038 →
Merger May 30, 2008
From: PARTICLE DRILLING, INC.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021040/0703 →
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: 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 →
Assignment of Assignor's Interest Oct 9, 2009
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: PDTI HOLDINGS, LLC
Reel/Frame 023348/0522 →