Patent Assignment
Reel/Frame 004253/0140
Assignment of Assignors Interest.
Recorded: 1984-04-05
Pages: 4
Assignor
UNIVERSAL ENGINEERING CORPORATION
Executed: 1984-02-17
Assignee
FIRST NATIONAL BANK OF CHICAGO, THE
STATELESS
Covered Property
(1)
Apparatus for Hanging Well Bore Casing
Patent:
3,489,436 →
Application:
04/503,047 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 29, 1982
From: VETCO INC.
To: VETCO OFFSHORE, INC. A CORP OF DE
Reel/Frame 004056/0858 →
Assignment of Assignors Interest.
May 1, 1986
From: VETCO OFFSHORE, INC., A CORP. OF DE.
To: VETCO OFFSHORE INDUSTRIES, INC., A DE. CORP.
Reel/Frame 004572/0533 →
Merger December 23, 1988, De.
Jun 4, 1990
From: BARKO HYDRAULICS, INC., A CORP. OF MN.; PETTIBONE MICHIGAN CORPORATION, A CORP. OF MI.; PETTIBONE INTERNATIONAL SALES CORPORATION, A CORP. OF DE.; PETTIBONE-TIFFIN CORPORATION, A CORP. OF OH.
To: PETTIBONE CORPORATION, A CORP. OF DE.
Reel/Frame 005432/0206 →
Released by Secured Party
Jun 4, 1990
From: FIRST NATIONAL BANK OF CHICAGO
To: UNIVERSAL ENGINEERING CORPORATION, A CORP. OF IA
Reel/Frame 005441/0800 →