Patent Assignment
Reel/Frame 004994/0633
Assignment of Assignors Interest. as of July 29, 1987
Recorded: 1988-09-12
Pages: 3
Assignor
SMITH INTERNATIONAL, INC.
Executed: 1988-08-29
Covered Properties
(2)
Method for Stimulating Siliceous Subterranean Formations
Patent:
4,428,432 →
Application:
06/140,737 →
Prepackaged Crosslinked Polymer
Patent:
4,505,826 →
Application:
06/436,641 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 25, 1982
From: HORTON, ROGER L.
To: SMITH INTERNATIONAL, INC. NEWPORT BEACH, CA 92660 A CORP. OF CA
Reel/Frame 004062/0721 →
Security Interest
Jan 16, 1990
From: ALLIED PRODUCTS CORPORATION, A DE CORP.
To: CONTINENTAL BANK N.A. AS AGENT
Reel/Frame 005270/0416 →
Released by Secured Party
Feb 1, 1990
From: CONTINENTAL BANK N.A.
To: ALLIED PRODUCTS CORPORATION, A CORP. OF DELAWARE
Reel/Frame 005635/0117 →
Security Interest
Feb 1, 1990
From: ALLIED PRODUCTS CORPORATION
To: CONTINENTAL BANK N.A.
Reel/Frame 005748/0940 →
Security Interest
Apr 26, 1993
From: CONTINENTAL BANK N.A.
To: ALLIED PRODUCTS CORPORATION
Reel/Frame 006518/0263 →
Assignment of Assignor's Interest
Dec 23, 1993
From: ALLIED PRODUCTS CORPORATION
To: WESTERN COMPANY OF NORTH AMERICA, THE
Reel/Frame 006806/0760 →
Assignment of Assignor's Interest
Feb 9, 1996
From: WESTERN COMPANY OF NORTH AMERICA, THE
To: BJ SERVICES COMPANY, U.S.A.
Reel/Frame 007803/0191 →