IP Library Assignment 015758/0801
Patent Assignment
Reel/Frame 015758/0801

Assignment of Assignor's Interest

Recorded: 2004-09-07 Pages: 3
Assignor
TIBBITTS, GORDON
Executed: 2004-08-20
Assignee
PARTICLE DRILLING, INC.
808 TRAVIS, SUITE 850, HOUSTON, TEXAS, 77002
Covered Property (1)
Impact Excavation System and Method
Patent: 7,503,407 →
Application: 10/897,196 →
Publication: US 2006/0016622
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Sep 14, 2007
From: PARTICLE DRILLING, INC.
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 019825/0116 →
Merger May 5, 2008
From: MEDXLINK CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020901/0701 →
Corrective Assignment to Correct the Nature of Conveyance Should Be Change of Name with Conveying Party Medxlink Corp to Particle Drilling Previously Recorded on Reel 020901 Frame 0701. Assignor(S) Hereby Confirms the Merger. May 12, 2008
From: MEDXLINK CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 020936/0374 →
Merger May 28, 2008
From: PDTI ACQUISITION CORP
To: PARTICLE DRILLING TECHNOLOGIES, INC.
Reel/Frame 021007/0974 →
Merger May 28, 2008
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: MEDXLINK CORP
Reel/Frame 021008/0025 →
Assignment of Assignor's Interest Oct 9, 2009
From: PARTICLE DRILLING TECHNOLOGIES, INC.
To: PDTI HOLDINGS, LLC
Reel/Frame 023348/0522 →