Patent Assignment
Reel/Frame 004534/0244
Assignment of Assignors Interest.
Recorded: 1986-04-14
Pages: 2
Assignors
REVILS, ERNEST A.
Executed: 1986-03-27
ARBONEAUX, EMMET J. III
Executed: 1986-03-27
LIRETTE, BRENT J.
Executed: 1986-03-27
Assignee
CHROMALLOY AMERICAN CORPORATION, A CORP. OF DE.
120 SOUTH CENTRAL AVENUE, ST. LOUIS, MISSOURI, 63105
Covered Property
(1)
Stage Cementing Tool
Patent:
4,674,569 →
Application:
06/845,613 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 18, 1991
From: CHROMALLOY AMERICAN CORPORATION, A DE CORP.
To: SEQUA ENGINEERED SERVICES, INC., A WEST VIRGINIA CORP.
Reel/Frame 005853/0137 →
Assignment of Assignor's Interest
Aug 30, 1993
From: SEQUA ENGINEERED SERVICES, INC.
To: WEATHERFORD-PETCO, INC.
Reel/Frame 006674/0275 →
Security Interest
Sep 7, 1993
From: WEATHERFORD U.S., INC.
To: TEXAS COMMERCE BANK NATIONAL ASSOICATION
Reel/Frame 006677/0420 →
Release from Security Agreement
Apr 26, 1994
From: TEXAS COMMERCE BANK NATIONAL ASSOCIATION
To: WEATHERFORD U.S., INC.
Reel/Frame 006968/0187 →