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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
05/07/1991
Application #:
07486797
Filing Dt:
03/01/1990
Inventors:
ROBERT A. HOWARD, WILSON R. BARNES
Title:
PROCESS FOR RECOVERING VALUABLE METALS FROM SPENT CATALYSTS
Assignment: 1
Reel/Frame:
006495/0001Recorded: 03/30/1992Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
03/09/1992
Exec Dt:
03/09/1992
Assignee:
Correspondent:
PRAVEL, GAMBRELL, HEWITT, KIMBALL &
KRIEGER
ATTN: JOHN WILSON JONES
1177 WEST LOOP SOUTH, SUITE 1010
HOUSTON, TX 77027
Assignment: 2
Reel/Frame:
006495/0006Recorded: 03/30/1992Pages: 3
Conveyance:
PATENT SECURITY LIEN, SEE DOCUMENT FOR DETAILS
Assignor:
Exec Dt:
03/18/1992
Assignee:
223 MAIN, P.O. BOX 1446
WILLISTON, NORTH DAKOTA 58802
Correspondent:
PRAVEL, GAMBRELL, HEWITT, KIMBALL &
KRIEGER
ATTN: JOHN WILSON JONES
1177 WEST LOOP SOUTH, SUITE 1010
HOUSTON, TX 77027
Assignment: 3
Reel/Frame:
007153/0831Recorded: 10/07/1994Pages: 6
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/30/1994
Assignee:
515 N. STATE STREET SUITE 2110 CHICAGO, IL 60610
Correspondent:
MAYER, BROWN & PLATT
ALEXANDRA C. LIFTMAN
2000 PENNSYLVANIA, N.W.
WASHINGTON, D.C. 20006
Assignment: 4
Reel/Frame:
008698/0232Recorded: 09/15/1997Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/03/1997
Assignee:
P.O. BOX 1446
WILLISTON, NORTH DAKOTA 58802
Correspondent:
HUTCHESON & GRUNDY
JAMES H. RILEY II
1200 SMITH STREET, STE. 330
HOUSTON, TX 77002
Assignment: 5
Reel/Frame:
010984/0810Recorded: 07/24/2000Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/11/2000
Assignee:
A DELAWARE LIMITED LIABILITY COMPANY
7591 HIGHWAY 3214
CONVENT, LOUISIANA 70723
Correspondent:
KEAN, MILLER, HAWTHORNE, D'ARMOND ET AL
WARNER J. DELAUNE, JR.
ONE AMERICAN PLACE, 22ND FLOOR
P.O. BOX 3513
BATON ROUGE, LA 70821-3513

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