IP Library Assignment 004902/0471
Patent Assignment
Reel/Frame 004902/0471

Change of Name Effective: August 30, 1985

Recorded: 1988-06-22 Pages: 4
Covered Property (1)
Internal Welding Head Assembly
Patent: 4,857,701 →
Application: 06/610,317 →
Related Assignments (7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Sep 3, 1985
From: EVANS PIPELINE EQUIPMENT COMPANY A CORP OF OK
To: CRC PIPELINE INTERNATIONAL, INC.
Reel/Frame 004455/0863 →
Security Interest Jan 27, 1989
From: CRC-EVANS PIPELINE INTERNATIONAL, INC.
To: WELLS FARGO BANK, N.A., A NATIONAL BANKING ASSOC.
Reel/Frame 005010/0529 →
Security Interest Jan 27, 1989
From: ENTERRA CORPORATION
To: WELLS FARGO BANK, N.A., A NATIONAL BANKING ASSOCIATION, IN ITS CAPACITY AS AGENT
Reel/Frame 005012/0795 →
Security Interest Jan 27, 1989
From: CONNECT CORPORATION, A DE CORP. (WHICH UPON ITS MERGER WITH CRC-EVANS PIPELINE INTERNATIONAL, INC., A TX CORP., SHALL CHANGE ITS NAME TO CRC -EVANS PIPELINE INTERNATIONAL, INC., A DE CORP.)
To: ENTERRA CORPORATION
Reel/Frame 005041/0151 →
Merger and Change of Name Filing Date: March 24, 1988; Certification Date: April 8, 1993. Jun 14, 1993
From: CRC-EVANS PIPELINE INTERNATIONAL, INC. ( A TEXAS CORPORATION) MERGED INTO CONNECT CORPORATION, A DE CORP.
To: CRC-EVANS PIPELINE INTERNATIONAL, INC. (A DELAWARE CORPORATION)
Reel/Frame 006583/0490 →
Security Agreement Jun 27, 1997
From: CRC-EVANS PIPELINE INTERNATIONAL, INC. (FORMERLY KNOWN AS CEPI HOLDINGS, INC.)
To: BANKBOSTON, N.A., AS AGENT
Reel/Frame 008595/0365 →
Assignment of Assignor's Interest Dec 3, 1997
From: CRC-EVANS PIPELINE INTERNATIONAL, INC., A DE CORP.; WEATHERFORD ENTERRA, INC., A DE CORP.; CRC-EVANS REHABILITATION SYSTEMS, INC., A DE CORP.
To: CEPI HOLDINGS, INC.
Reel/Frame 008855/0582 →