Patent Assignment
Reel/Frame 020838/0729
Assignment of Assignor's Interest
Recorded: 2008-04-22
Pages: 6
Assignee
PARTICLE DRILLING TECHNOLOGIES, INC.
5611 BAIRD COURT, HOUSTON, TEXAS, 77041
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.
Articles of Amendment
May 29, 2008
From: PRODRIL ACQUISITION COMPANY, INC.
To: PARTICLE DRILLING, INC.
Reel/Frame 021014/0462 →
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/Certificate of Correction
May 29, 2008
From: PRODRIL ACQUISITION COMPANY
To: PRODRIL ACQUISITION COMPANY, INC.
Reel/Frame 021014/0416 →
Assignment of Assignor's Interest
Oct 9, 2009
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: PDTI HOLDINGS, LLC
Reel/Frame 023348/0522 →