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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : ZEIGLER COAL HOLDING COMPANY
Total Assignments: 4
Assignment: 1
Reel/Frame:006384/0675   Pages: 9
Recorded: 12/24/1992
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/16/1992
Assignee
1
750 MAIN STREET
HARTFORD, CONNECTICUT 06103
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
06813325
 
NONE
06868918
 
NONE
07695875
 
NONE
07738406
 
NONE
07742820
 
NONE
07861407
Correspondence name and address
SHARON E. KOHN
KIRKLAND & ELLLIS
200 EAST RANDOLPH DRIVE
CHICAGO, IL 60601
Assignment: 2
Reel/Frame:007312/0368   Pages: 6
Recorded: 01/25/1995
Conveyance: AMENDMENT TO PATENT AGREEMENT
Assignor
1
Exec Dt:
10/19/1994
Assignee
1
TWO INTERNATIONAL PLACE
BOSTON, MASSACHUSETTS 02110
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
06813325
 
NONE
06868918
 
NONE
07695875
 
NONE
07738406
 
NONE
07742820
 
NONE
07861407
Correspondence name and address
MAYER, BROWN & PLATT
SONIA RAVIN
190 SOUTH LASALLE STREET
SUITE 3100
CHICAGO, IL 60603
Assignment: 3
Reel/Frame:009507/0297   Pages: 197
Recorded: 10/15/1998
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/02/1998
2
Exec Dt:
09/02/1998
3
Exec Dt:
09/02/1998
Assignee
1
677 WASHINGTON BLVD.
STAMFORD, CONNECTICUT 06912
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
05585914
 
NONE
06102073
 
NONE
06358168
 
NONE
06442559
 
NONE
06694740
 
NONE
06720845
 
NONE
06813325
 
NONE
06868918
 
NONE
06943456
 
NONE
07014421
 
NONE
07175653
 
NONE
07358314
 
NONE
07479775
 
NONE
07695875
 
NONE
07738406
 
NONE
07742820
 
NONE
07861407
 
NONE
08276319
 
NONE
08334595
 
NONE
08550535
Correspondence name and address
NATIONAL CORPORATE RESEARCH, LTD.
225 W. 34TH STREET
SUITE 910
NEW YORK, NY 10122
Assignment: 4
Reel/Frame:012906/0567   Pages: 6
Recorded: 05/14/2002
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/08/2002
Assignee
1
31 WEST 52ND STREET
NEW YORK, NEW YORK 10019
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
06813325
 
NONE
06868918
 
NONE
07695875
 
NONE
07738406
 
NONE
07742820
 
NONE
07861407
 
NONE
08276319
 
NONE
08334595
 
NONE
08550535
Correspondence name and address
O'MELVENY & MYERS LLP
CLIFTON MOLATORE
400 SOUTH HOPE STREET
LOS ANGELES, CA 90071-2899

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