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Patent Assignment Assignor Details
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Assignor Name : LETZELTER, THOMAS
Total Assignments: 10
Assignment: 1
Reel/Frame:009128/0010   Pages: 2
Recorded: 04/21/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHOENHERR, MICHAEL
Exec Dt:
10/07/1997
2
RAULS, MATTHIAS
Exec Dt:
10/07/1997
3
ASCHERL, HERMANN
Exec Dt:
10/07/1997
4
LETZELTER, THOMAS
Exec Dt:
10/07/1997
5
BAUMANN, DIETER
Exec Dt:
10/07/1997
6
POTTHOFF-KARL, BIRGIT
Exec Dt:
10/07/1997
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5981798
NONE
08964755
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
JOHN K. PIKE, PH.D.
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:010402/0584   Pages: 3
Recorded: 11/15/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURKART, KIRSTEN
Exec Dt:
10/04/1999
2
GUTH, JOSEF
Exec Dt:
10/04/1999
3
LETZELTER, THOMAS
Exec Dt:
10/04/1999
4
SCHWEINZER, JUERGEN
Exec Dt:
10/04/1999
5
STERZEL, HANS-JOSEF
Exec Dt:
10/04/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUGWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6281392
NONE
09440052
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:010713/0155   Pages: 2
Recorded: 03/27/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE LANGE, PAULUS
Exec Dt:
01/18/2000
2
KAMMERER, MICHAEL
Exec Dt:
01/26/2000
3
BRAUCH, THOMAS
Exec Dt:
01/27/2000
4
EVERTZ, KASPAR
Exec Dt:
01/31/2000
5
LETZELTER, THOMAS
Exec Dt:
02/02/2000
6
KOLLE, PETER
Exec Dt:
02/07/2000
7
FEINDT, HANS-JACOB
Exec Dt:
01/12/2000
Assignee
1
ELENAC GMBH
D-77694 KEHL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6683022
NONE
09536355
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
RICHARD M. BECK
P.O. BOX 2207
WILMINGTON, DELAWARE 19899
Assignment: 4
Reel/Frame:011423/0094   Pages: 3
Recorded: 12/05/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGAR
Exec Dt:
11/10/2000
2
GUTH, JOSEF
Exec Dt:
11/10/2000
3
SCHWEINZER, JUERGEN
Exec Dt:
11/10/2000
4
LETZELTER, THOMAS
Exec Dt:
11/10/2000
5
BENDER, HANS-JUERGEN
Exec Dt:
11/10/2000
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6437198
NONE
09701886
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 5
Reel/Frame:018226/0331   Pages: 4
Recorded: 08/31/2006
Attorney Dkt #:13156-00048-US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAUK, ALEXANDER
Exec Dt:
03/08/2006
2
KARL, JORN
Exec Dt:
03/08/2006
3
PASCHOLD, JURGEN
Exec Dt:
03/08/2006
4
GROPP, STEFAN
Exec Dt:
03/08/2006
5
LOHMANN, ANNA V.
Exec Dt:
03/08/2006
6
LENZ, ROBERT
Exec Dt:
03/08/2006
7
LETZELTER, THOMAS
Exec Dt:
03/08/2006
8
HEINZ, ROBERT
Exec Dt:
03/08/2006
Assignee
1
BASF AKTIENGESELLSCHAFT
CARL-BOSCH-STRASSE GVX-C006
PATENTS, TRADEMARKS AND LICENSES
LUDWIGSHAFEN, GERMANY D-67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090143618
10595702
Correspondence name and address
MATTHEW J. MASON
CONNOLLY BOVE LODGE & HUTZ LLP
1990 M STREET, N.W.
SUITE 800
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:021245/0409   Pages: 4
Recorded: 07/16/2008
Attorney Dkt #:12810-00712-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ECK, BERND
Exec Dt:
12/20/2006
2
RAULS, MATTHIAS
Exec Dt:
01/08/2007
3
FEISE, HERMANN JOSEF
Exec Dt:
12/21/2006
4
LETZELTER, THOMAS
Exec Dt:
12/27/2006
5
GUTH, JOSEF
Exec Dt:
01/10/2007
Assignee
1
BASF AKTIENGESELLSCHAFT
PATENTS, TRADEMARKS AND LICENSES
CARL-BOSCH-STRASSE; GVX-C006
LUDWIGSHAFEN, GERMANY D-67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080306312
12158544
Correspondence name and address
BRYANT L. YOUNG/TANNY SELLERS
CONNOLLY BOVE LODGE & HUTZ LLP
1875 EYE STREET, N.W.
WASHINGTON, DC 20006
Assignment: 7
Reel/Frame:042128/0586   Pages: 12
Recorded: 04/24/2017
Attorney Dkt #:074008-1792-US-561989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROLLIE, SASCHA
Exec Dt:
01/06/2016
2
ZIEGLER, CHRISTOPH
Exec Dt:
01/07/2016
3
LEHR, FLORIAN
Exec Dt:
01/12/2016
4
KÄPPLER, TOBIAS
Exec Dt:
01/15/2016
5
SEIBERT, ANDREA
Exec Dt:
04/04/2016
6
LETZELTER, THOMAS
Exec Dt:
01/06/2016
7
WEBER, ANDREAS
Exec Dt:
01/07/2016
8
FREYER, STEPHAN
Exec Dt:
04/07/2016
9
GROSSMANN, GEORG
Exec Dt:
01/10/2016
10
ERNST, BURKHARD
Exec Dt:
01/08/2016
Assignee
1
WINTERSHALL HOLDING GMBH
FRIEDRICH-EBERT-STR. 160
KASSEL, GERMANY 34119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180273647
15521436
Correspondence name and address
JOSEPH BARRERA, ESQUIRE
DRINKER BIDDLE & REATH LLP
1177 AVENUE OF THE AMERICAS
NEW YORK, NY 10036-2714
Assignment: 8
Reel/Frame:044437/0771   Pages: 14
Recorded: 12/19/2017
Attorney Dkt #:074008-1795(563585)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROLLIE, SASCHA
Exec Dt:
01/20/2017
2
KAPPLER, TOBIAS
Exec Dt:
01/20/2017
3
SCHWALB, CARSTEN
Exec Dt:
01/02/2017
4
LEHR, FLORIAN
Exec Dt:
01/31/2017
5
HLUBEK, ANDREA
Exec Dt:
02/08/2017
6
THERRE, JOERG
Exec Dt:
01/24/2017
7
FLECK, CHRISTIAN
Exec Dt:
02/20/2017
8
LETZELTER, THOMAS
Exec Dt:
01/25/2017
9
FREYER, STEPHAN
Exec Dt:
07/27/2017
10
HEROLD, ANDREA
Exec Dt:
01/30/2017
11
RETTENMAIER, HANSJORG
Exec Dt:
03/31/2017
12
LEONHARDT, BERND
Exec Dt:
02/20/2017
Assignee
1
WINTERSHALL HOLDING GMBH
FRIEDRICH-EBERT STRASSE 160
KASSEL, GERMANY 34119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10273514
US20170362619
15532873
Correspondence name and address
GEOFFREY A. ZELLEY
222 DELAWARE AVENUE
SUITE 1410
WILMINGTON, DE 19801
Assignment: 9
Reel/Frame:045396/0705   Pages: 9
Recorded: 03/30/2018
Attorney Dkt #:074008-1839-US-575552
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LETZELTER, THOMAS
Exec Dt:
03/10/2017
2
ROLLIE, SASCHA
Exec Dt:
03/06/2017
3
BAUDER, ANDREAS
Exec Dt:
03/10/2017
4
LEHR, FLORIAN
Exec Dt:
03/15/2017
5
ERNST, BURKHARD
Exec Dt:
03/16/2017
6
SILBERNAGEL, DANIEL
Exec Dt:
03/10/2017
7
KAEPPLER, TOBIAS
Exec Dt:
02/24/2017
Assignees
1
BASF SE
CARL-BOSCH-STR. 38
LUDWIGSHAFEN AM RHEIN, GERMANY 67056
2
WINTERSHALL HOLDING GMBH
FRIEDRICH-EBERT-STRASSE 160
KASSEL, GERMANY 34119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10767105
US20180273831
15765038
Correspondence name and address
ASHLEY PEZZNER
222 DELAWARE AVE
WILMINGTON, DE 19801
Assignment: 10
Reel/Frame:054710/0295   Pages: 9
Recorded: 12/21/2020
Attorney Dkt #:534028US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERK, CHRISTOPH
Exec Dt:
01/03/2019
2
LETZELTER, THOMAS
Exec Dt:
01/09/2019
3
HOELZLE, MARKUS
Exec Dt:
01/03/2019
4
SUELING, CARSTEN
Exec Dt:
01/09/2019
Assignee
1
BASF SE
.
LUDWIGSHAFEN AM RHEIN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11862795
US20210376318
17254559
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

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