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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
05/24/1983
Application #:
06231815
Filing Dt:
02/05/1981
Inventors:
KARL M. E. HELLSTEN, BIRGIT T. G. KARLSSON
Title:
METHOD FOR THE MECHANICAL WORKING OF METALS AND LUBRICANT CONCENTRATE
Assignment: 1
Reel/Frame:
004099/0618Recorded: 02/18/1983Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
02/19/1983
Exec Dt:
02/19/1983
Assignee:
STENUNGSUND, SWEDEN
Correspondent:
JOHN R. JANES
P. O. BOX NO. 1
JERICHO, NY 11753
Assignment: 2
Reel/Frame:
006255/0128Recorded: 09/08/1992Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
10/23/1990
Assignee:
BOX 45168
WALLINGATAN 20-22, S-10439 STOCKHOLM, SWEDEN
SWEDEN
Correspondent:
NIXON & VANDERHYE, P.C.
ROBERT A. VANDERHYE
1100 NORTH GLEBE ROAD
8TH FLOOR
ARLINGTON, VA 22201
Assignment: 3
Reel/Frame:
006253/0291Recorded: 09/08/1992Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
10/30/1990
Assignee:
BURMAH CASTROL HOUSE PIPERS WAY, SWINDON WILTSHIRE, ENGLAND SN3 1RE
WILTSHIRE,, ENGLAND
Correspondent:
NIXON & VANDERHYE P.C.
ROBERT A. VANDERHYE
1100 NORTH GLEBE RD., 8TH FLOOR
ARLINGTON, VA 22201
Assignment: 4
Reel/Frame:
008677/0414Recorded: 09/11/1997Pages: 22
Conveyance:
RELEASE OF INTEREST IN PATENTS
Assignor:
Exec Dt:
11/29/1994
Assignee:
5005 LBJ FREEWAY
OCCIDENTAL TOWER, SUITE 500
DALLAS, TEXAS 75244
Correspondent:
GARDARE & WYNNE, L.L.P.
HAROLD E. MEIER
1601 ELM STREET, SUITE 3000
DALLAS, TX 75201

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