IP Library › Assignment 005091/0408
Patent Assignment
Reel/Frame 005091/0408

Assignment of Assignors Interest.

Recorded: 1989-03-27 Pages: 13
Assignor
Assignee
Covered Property (1)
Protective Device for Pipes
Patent: 4,438,783 →
Application: 06/366,981 →
Related Assignments (15)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jun 28, 1982
From: MULLER, KURT
To: DREYFUSS,WILFRIED , DORFSTR, 52, D-3111 EIMKE, GERMANY
Reel/Frame 004007/0571 →
Assignment of Assignors Interest. May 30, 1989
From: R & D TECHNOLOGY GMBH, THOMAS EDWARD REMP; DREYFUSS, WILFRIED
To: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC., A CORP. OF TX
Reel/Frame 005126/0513 →
Security Interest Feb 27, 1992
From: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
To: CHEMICAL VENTURE CAPITAL ASSOCIATES
Reel/Frame 006032/0203 →
Assignment of Assignors Interest. Feb 25, 1993
From: DREYFUSS, WILFRIED; REMP, THOMAS E. JR.
To: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
Reel/Frame 006430/0345 →
Security Interest Jul 19, 1993
From: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC. A CORP. OF TEXAS
To: FIRST NATIONAL BANK OF BOSTON, THE A NATIONAL BANKING ASSOCIATION
Reel/Frame 006617/0253 →
Release of Security Interests & Liens Nov 17, 1994
From: CHEMICAL VENTURE CAPITAL ASSOCIATES A CALIFORNIA LIMITED PARTNERSHIP
To: DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
Reel/Frame 007205/0340 →
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 →