Patent Assignment
Reel/Frame 006844/0664
Assignment of Assignor's Interest
Recorded: 1994-01-07
Pages: 3
Assignor
BAKER, BRYAN C.
Executed: 1993-12-14
Assignee
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
SUITE 2, 10875 KEMPWOOD, HOUSTON, TEXAS, 77043
Covered Property
(1)
Mobile Vibrating Abrasive Cleaning Apparatus
Patent:
5,556,320 →
Application:
08/178,737 →
Related Assignments
(13)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Oct 7, 1994
From: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC., A TX CORP.
To: FIRST NATIONAL BANK OF BOSTON, THE
Reel/Frame 007156/0440 →
Security Interest
Oct 30, 1997
From: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.; DRILLTEC TECHNOLOGIES, INC.; DRILLTEC INTERNATIONAL LIMITED; DRILLTEC INDONESIA, INC.
To: HELLER FINANCIAL, INC.
Reel/Frame 008723/0183 →
Termination and Release of Security Interest in Patents
May 27, 1998
From: BANKBOSTON, N.A., BY CHANGE OF NAME FROM FIRST NATIONAL BANK OF BOSTON
To: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
Reel/Frame 009187/0520 →
Security Agreement
Sep 3, 1998
From: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
To: FIRST SOURCE FINANCIAL LLP
Reel/Frame 009414/0400 →
Security Agreement
Sep 14, 1998
From: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
To: ALLIED CAPITAL CORPORATION
Reel/Frame 009445/0819 →
Security Interest
Feb 15, 2001
From: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
To: ALLIED CAPITAL CORPORATION; EQUUS II INCORPORATED
Reel/Frame 011523/0614 →
Amendment & Assignment of Agreement
Nov 13, 2001
From: FIRST SOURCE FINANCIAL LLP
To: FIRST SOURCE FINANCIAL, INC.
Reel/Frame 012302/0528 →
Release of Lien on Patents
Jun 28, 2002
From: HELLER FINANCIAL, INC.
To: DRILLTEC PATENTS & TECHNOLOGIES,
Reel/Frame 013645/0661 →
Release of Security Interest
Jul 18, 2002
From: HELLER FINANCIAL, INC.; DRILLTEC TECHNOLOGIES, INC.; DRILLTEC INTERNATIONAL LIMITED; DRILLTEC INDONESIA, INC.
To: PETER J. HUDSON, CFO
Reel/Frame 013097/0833 →
Security Interest
Oct 1, 2002
From: DRILLTEC PATENT & TECHNOLOGIES COMPANY, INC.
To: ALLIED CAPITAL CORPORATION
Reel/Frame 013343/0518 →
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 →