Patent Assignment
Reel/Frame 020234/0767
Assignment of Assignor's Interest
Recorded: 2007-12-13
Pages: 13
Assignors
RUSH, COLIN
Executed: 1999-06-07
RICHARDS, DARRELL R.
Executed: 1999-06-10
THORNTON, WILLIAM
Executed: 1999-06-24
KING, HENRY CAMPBELL
Executed: 1999-06-10
GRBIC, VINCENT DANCO
Executed: 1999-06-10
VON ROSENBERG, EDGAR
Executed: 1999-06-17
Assignee
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
10875 KEMPWOOD DRIVE, SUITE 2, HOUSTON, TEXAS, 77043
Covered Property
(1)
Thread protector
Patent:
6,367,508 →
Application:
09/799,163 →
Related Assignments
(11)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
May 24, 2007
From: DT-HP TEXAS OPERATING CORPORATION; DT-HP PATENTS AND TECHNOLOGIES CORPORATION
To: AMEGY BANK NATIONAL ASSOCIATION
Reel/Frame 019331/0756 →
Assignment of Assignor's Interest
Jun 11, 2007
From: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC., A DELAWARE CORPORATION; DRILLTEC TECHNOLOGIES, L.P., A DELAWARE LIMITED PARTNERSHIP
To: DT-HP PATENTS AND TECHNOLOGIES CORPORATION, A DELAWARE CORPORATION
Reel/Frame 019407/0123 →
Change of Name
Dec 13, 2007
From: DT-HP PATENTS AND TECHNOLOGIES CORPORATION
To: DRILLTEC PATENTS & TECHNOLOGIES CORPORATION
Reel/Frame 020243/0443 →
Release of Security Interest
Mar 12, 2012
From: ALLIED CAPITAL CORPORATION
To: DRILLTEC PATENT AND TECHNOLOGIES CORPORATION
Reel/Frame 027844/0584 →
Release of Security Interest
Mar 14, 2012
From: ORCHARD FIRST SOURCE CAPITAL, INC. (F/K/A FIRST SOURCE FINANCIAL INC.)
To: DRILLTEC PATENT AND TECHNOLOGIES COMPANY, INC.
Reel/Frame 027865/0520 →
Release of Security Interest
Mar 15, 2012
From: ORCHARD FIRST CAPITAL, INC. (F/K/A/ FIRST SOURCE FINANCIAL INC.)
To: DRILLTEC PATENT AND TECHNOLOGIES COMPANY, INC.
Reel/Frame 027873/0599 →
Release of Security Interest
Mar 20, 2012
From: AMEGY BANK NATIONAL ASSOCIATION
To: DRILLTEC PATENT AND TECHNOLOGIES COMPANY, INC. (FKA DT-HP TEXAS OPERATING CORP. AND DT-HP PATENTS AND TECHNOLOGIES CORP.)
Reel/Frame 027897/0579 →
Security Agreement
Jul 13, 2012
From: DRILLTEC PATENTS & TECHNOLOGIES CORPORATION
To: COMERICA BANK, A TEXAS BANKING ASSOCIATION
Reel/Frame 028550/0321 →
Security Interest
Jun 12, 2014
From: DRILLTEC PATENTS & TECHNOLOGIES CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 033134/0802 →
Release of Security Interest
Jun 14, 2014
From: COMERICA BANK
To: DRILLTEC PATENTS & TECHNOLOGIES CORPORATION
Reel/Frame 033166/0218 →
Security Interest
Nov 13, 2014
From: DRILLTEC PATENTS & TECHNOLOGIES CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 034163/0261 →