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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 : LEOPOLD, HOWARD S.
Total Assignments: 16
Assignment: 1
Reel/Frame:004362/0997   Pages: 2
Recorded: 01/29/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
01/28/1985
Assignee
1
45-31 COURT SQUARE
CORP. OF NEW YORK
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06695965
Correspondence name and address
KIRSCHSTEIN, KIRSCHSTEIN, OTTINGER &
ISRAEL
551 FIFTH AVE.
NEW YORK, NY 10176
Assignment: 2
Reel/Frame:004589/0169   Pages: 2
Recorded: 08/08/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/22/1986
Assignee
1
45-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06894955
Correspondence name and address
KIRSCHSTEIN, KIRSCHSTEIN, OTTINGER
& ISRAEL
551 FIFTH AVE.
NEW YORK, NY 10176-0024
Assignment: 3
Reel/Frame:006282/0635   Pages: 3
Recorded: 09/24/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
09/21/1992
Assignee
1
45-10 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07950023
Correspondence name and address
ALAN ISRAEL, ESQ.
KIRSCHSTEIN, ET AL.
551 FIFTH AVENUE
NEW YORK, NY 10176
Assignment: 4
Reel/Frame:007853/0757   Pages: 3
Recorded: 02/06/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/31/1996
2
Exec Dt:
01/31/1996
Assignee
1
45-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08597233
Correspondence name and address
KIRSCHSTEIN ET AL.
ALAN ISRAEL, ESQ.
551 FIFTH AVENUE
NEW YORK, NEW YORK 10176
Assignment: 5
Reel/Frame:009775/0895   Pages: 2
Recorded: 02/17/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/12/1999
2
Exec Dt:
02/12/1999
Assignee
1
45-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09251426
Correspondence name and address
MORGAN, LEWIS & BOCKIUS LLP
ROBERT J. GAYBRICK
1800 M STREET, NW
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:009974/0609   Pages: 2
Recorded: 05/17/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/12/1999
2
Exec Dt:
03/12/1999
Assignee
1
45-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09251427
Correspondence name and address
MORGAN, LEWIS & BOCKIUS LLP
MR. MATTHEW T. BAILEY
1800 M STREET, N.W.
WASHINGTON, D.C. 20036
Assignment: 7
Reel/Frame:014111/0218   Pages: 2
Recorded: 11/06/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/12/1999
2
Exec Dt:
03/12/1999
Assignee
1
48-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10340795
Correspondence name and address
OSTRAGER CHONG & FLAHERTY LLP
JOSHUA S. BROITMAN
30TH FLOOR
825 THIRD AVENUE
NEW YORK, NY 10022-7519
Assignment: 8
Reel/Frame:010184/0502   Pages: 3
Recorded: 08/24/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/06/1999
2
Exec Dt:
06/07/1999
Assignee
1
45-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29100705
Correspondence name and address
MORGAN, LEWIS & BOCKIUS LLP
MR. ROBERT J. GAYBRICK
1800 M STREET, N.W.
WASHINGTON, D.C. 20036
Assignment: 9
Reel/Frame:010184/0465   Pages: 3
Recorded: 08/24/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/07/1999
2
Exec Dt:
06/06/1999
Assignee
1
45-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29100736
Correspondence name and address
MORGAN, LEWIS & BOCKIUS LLP
ROBERT J. GAYBRICK
1800 M STREET, NW
WASHINGTON, DC 20036
Assignment: 10
Reel/Frame:011879/0442   Pages: 2
Recorded: 06/06/2001
Conveyance: MORTGAGE (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/21/2001
Assignee
1
45-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09717380
Correspondence name and address
MR. ROBERT J. GAYBRICK
MORGAN, LEWIS & BOCKIUS LLP
1800 M STREET, N.W.
WASHINGTON, D.C. 20036
Assignment: 11
Reel/Frame:012304/0221   Pages: 3
Recorded: 11/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/07/2001
2
Exec Dt:
11/07/2001
Assignee
1
45-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09876156
Correspondence name and address
MORGAN, LEWIS & BOCKIUS LLP
ROBERT J. GAYBRICK
1800 M STREET, N.W.
WASHINGTON, D.C. 20036
Assignment: 12
Reel/Frame:014703/0111   Pages: 3
Recorded: 11/07/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/07/2003
2
Exec Dt:
11/07/2003
3
Exec Dt:
11/07/2003
Assignee
1
45-31 COURT SQUARE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10703686
Correspondence name and address
OSTRAGER CHONG & FLAHERTY LLP
JOSHUA S. BROITMAN
825 3RD AVE., 30TH FLOOR
NEW YORK, NY 10022-7519
Assignment: 13
Reel/Frame:018157/0517   Pages: 7
Recorded: 08/23/2006
Attorney Dkt #:23667.21
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/19/2006
2
Exec Dt:
08/17/2006
3
Exec Dt:
08/09/2006
4
Exec Dt:
08/18/2006
Assignee
1
600 TRAVIS STREET
SUITE 5800
HOUSTON, TEXAS 77002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11495091
Correspondence name and address
HAYNES AND BOONE, LLP, TODD MATTINGLY
901 MAIN STREET, SUITE 3100
DALLAS, TX 75202
Assignment: 14
Reel/Frame:018091/0818   Pages: 2
Recorded: 08/11/2006
Attorney Dkt #:23667.325
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/10/2006
Assignee
1
600 TRAVIS STREET
SUITE 5800
HOUSTON, TEXAS 77002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11495327
Correspondence name and address
HAYNES AND BOONE, LLP, TODD MATTINGLY
901 MAIN STREET
SUITE 3100
DALLAS, TX 75202
Assignment: 15
Reel/Frame:021643/0299   Pages: 6
Recorded: 10/07/2008
Attorney Dkt #:13682.105060
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/19/2008
2
Exec Dt:
09/27/2008
3
Exec Dt:
09/22/2008
Assignee
1
600 TRAVIS STREET
SUITE 5600
HOUSTON, TEXAS 77002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12242075
Correspondence name and address
KING & SPALDING LLP
1180 PEACHTREE STREET, NE
JAMES M. HANNON/34TH FLOOR
ATLANTA, GA 30309-3521
Assignment: 16
Reel/Frame:021643/0318   Pages: 3
Recorded: 10/07/2008
Attorney Dkt #:13682.105059
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
09/19/2008
Assignee
1
600 TRAVIS STREET
SUITE 5600
HOUSTON, TEXAS 77002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12242042
Correspondence name and address
KING & SPALDING LLP
1180 PEACHTREE STREET, NE
JAMES M. HANNON/34TH FLOOR
ATLANTA, GA 30309-3521

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