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Patent Assignment Assignor Details
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Assignor Name : SCHWERTFEGER, FRITZ
Total Assignments: 23
Assignment: 1
Reel/Frame:007004/0636   Pages: 2
Recorded: 05/12/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
03/18/1994
2
SCHUBERT, ULRICH
Exec Dt:
03/18/1994
3
SEYFRIED, ELISABETH
Exec Dt:
03/24/1994
4
KUHN, JOACHIM
Exec Dt:
03/18/1994
5
FRICKE, JOCHEN
Exec Dt:
03/18/1994
6
MIELKE, MANFRED
Exec Dt:
02/28/1994
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5587107
NONE
08179698
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 2
Reel/Frame:008739/0944   Pages: 2
Recorded: 07/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
07/07/1997
2
ZIMMERMAN, ANDREAS
Exec Dt:
07/07/1997
Assignee
1
HOECHST AKTIENGESELLSCHAFT
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5888425
NONE
08894040
Correspondence name and address
CURTIS, MORRIS & SAFFORD, P.C.
WILLIAM F. LAWRENCE
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 3
Reel/Frame:009078/0276   Pages: 2
Recorded: 08/20/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
07/25/1997
2
ZIMMERMANN, ANDREAS
Exec Dt:
07/25/1997
Assignee
1
HOECHST AKTIENGESELLSCHAFT
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6365638
NONE
08894478
Correspondence name and address
CURTIS MORRIS & SAFFORD, P.C.
WILLIAM F. LAWRENCE
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 4
Reel/Frame:008729/0968   Pages: 2
Recorded: 09/29/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
08/27/1997
2
ZIMMERMANN, ANDREAS
Exec Dt:
08/28/1997
3
KREMPEL, HARALD
Exec Dt:
08/29/1997
Assignee
1
HOECHST AKTIENGESELLCHAFT
BUILDING K 801
PATENT AND LICENSING DEPARTMENT
65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6280744
NONE
08894362
Correspondence name and address
CURTIS, MORRIS & SAFFORD, P.C.
WILLIAM F. LAWRENCE
530 FIFTH AVENUE
NEW YORK, NEW YORK 10036
Assignment: 5
Reel/Frame:009237/0572   Pages: 2
Recorded: 01/08/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
12/01/1997
2
ZIMMERMANN, ANDREAS
Exec Dt:
12/03/1997
Assignee
1
HOECHST AKTIENGESELLSCHAFT
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6159539
NONE
08981802
Correspondence name and address
FROMMER LAWRENCE & HAUG LLP
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NY 10151
Assignment: 6
Reel/Frame:009374/0789   Pages: 2
Recorded: 05/11/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
03/03/1998
2
ZIMMERMANN, ANDREAS
Exec Dt:
03/03/1998
3
WONNER, JOHANN
Exec Dt:
03/30/1998
4
SCHOLL, FRANK
Exec Dt:
03/31/1998
5
SCHMIDT, MARC
Exec Dt:
03/04/1998
Assignee
1
HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6143400
NONE
09029140
Correspondence name and address
FROMMER LAWRENCE & HUTG LLP
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NY
Assignment: 7
Reel/Frame:009378/0712   Pages: 2
Recorded: 06/15/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
04/27/1998
2
ZIMMERMANN, ANDREAS
Exec Dt:
05/06/1998
Assignee
1
HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6191173
NONE
09043144
Correspondence name and address
FROMMER LAWRENCE & HAUG LLP
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NEW YORK 10151
Assignment: 8
Reel/Frame:009752/0450   Pages: 3
Recorded: 08/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SCHWERTFEGER, FRITZ
Exec Dt:
06/05/1998
Assignee
1
HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
BRUNINGSTRASSE 50
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6210751
NONE
09068371
Correspondence name and address
FROMMER LAWRENCE & HAUG LLP
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NY 10151
Assignment: 9
Reel/Frame:009724/0469   Pages: 3
Recorded: 10/26/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
08/17/1998
2
ZIMMERMAN, ANDREAS
Exec Dt:
09/01/1998
Assignee
1
HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
BRUNINGSTRASSE 50
69526 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6129949
NONE
09068364
Correspondence name and address
FROMMER LAWRENCE HAUG LLP
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NEW YORK 10151
Assignment: 10
Reel/Frame:010234/0011   Pages: 4
Recorded: 09/29/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
08/17/1998
2
ZIMMERMAN, ANDREAS
Exec Dt:
09/01/1998
Assignee
1
HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
BRUNINGSTRASSE 50
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6140377
NONE
09068184
Correspondence name and address
FROMMER LAWRENCE & HAUG LLP
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NEW YORK 10151
Assignment: 11
Reel/Frame:009885/0837   Pages: 2
Recorded: 04/12/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SCHWERTFEGER, FRITZ
Exec Dt:
03/22/1999
Assignee
1
HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG.
BRUNINGSTRASSE 50
FRANKFURT AM MAIN D-65929, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6156386
NONE
09202627
Correspondence name and address
MARSHALL, O'TOOLE, GERSTEIN ET AL.
JAMES P. ZELLER
233 S. WACKER DRIVE
6300 SEARS TOWER
CHICAGO, IL 60606-6402
Assignment: 12
Reel/Frame:010303/0816   Pages: 5
Recorded: 09/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
08/25/1999
2
SCHMIDT, MARC
Exec Dt:
08/25/1999
3
FRANK, DIERK
Exec Dt:
09/06/1999
Assignee
1
HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7468205
US20020025427
09355045
Correspondence name and address
FROMMER LAWRENCE & HAUG LLP
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NEW YORK 10151
Assignment: 13
Reel/Frame:010860/0604   Pages: 5
Recorded: 09/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
08/25/1999
2
SCHMIDT, MARC
Exec Dt:
08/25/1999
3
FRANK, DIERK
Exec Dt:
09/06/1999
Assignee
1
HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6598358
NONE
09355074
Correspondence name and address
FROMMER LAWRENCE & HAUG LLP
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NEW YORK 10151
Assignment: 14
Reel/Frame:023440/0026   Pages: 2
Recorded: 10/28/2009
Attorney Dkt #:HOE97/F014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SCHWERTFEGER, FRITZ
Exec Dt:
08/25/1999
Assignee
1
HOESCHT RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
D-65926, FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030003284
09355046
Correspondence name and address
TU N. NGUYEN
LAW DEPARTMENT
COBOT CORPORATION
157 CONCORD ROAD
BILLERICA, MASSACHUSETTS 01821
Assignment: 15
Reel/Frame:012843/0452   Pages: 3
Recorded: 03/01/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
02/08/2002
2
WEIS, JOHANN
Exec Dt:
02/11/2002
3
RITTER, PETER
Exec Dt:
02/12/2002
4
MOLTER, ACHIM
Exec Dt:
02/12/2002
5
SCHWEREN, WOLFGANG
Exec Dt:
02/12/2002
6
FREY, VOLKER
Exec Dt:
02/18/2002
7
SCHERM, HANS-PETER
Exec Dt:
02/08/2002
Assignee
1
WACKER-CHEMIE GMBH
HANS-SEIDEL-PLATZ 4
D-81737 MUNCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6699808
NONE
10070082
Correspondence name and address
BROOKS & KUSHMAN P.C.
WILLIAM G. CONGER
1000 TOWN CENTER, 22ND FL.
SOUTHFIELD, MI 48075
Assignment: 16
Reel/Frame:013519/0519   Pages: 2
Recorded: 11/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
09/27/2002
2
SZILLAT, HOLGER
Exec Dt:
09/27/2002
3
GUNSTER, JENS
Exec Dt:
09/30/2002
4
ENGLER, SVEN
Exec Dt:
09/27/2002
5
HEINRICH, JURGEN
Exec Dt:
10/07/2002
Assignee
1
WACKER-CHEMIE GMBH
HANNS-SEIDEL-PLATZ 4
MUNICH, GERMANY 81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030104920
10302249
Correspondence name and address
BROOKS & KUSHMAN P.C.
WILLIAM G. CONGER
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48075
Assignment: 17
Reel/Frame:013412/0108   Pages: 4
Recorded: 02/04/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
11/05/2002
2
SZILLAT, HOLGER
Exec Dt:
11/07/2002
3
FREY, CHRISTOPH
Exec Dt:
11/12/2002
4
LAMBERT, ULRICH
Exec Dt:
11/13/2002
5
FRAUENKNECHT, AXEL
Exec Dt:
11/20/2002
Assignee
1
WACKER-CHEMIE GMBH
HANNS-SEIDEL-PLATZ 4
MUNICH, GERMANY D-81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6946030
US20030159648
10292059
Correspondence name and address
BROOKS & KUSHMAN
1000 TOWN CENTER 22ND FL
SOUTHFIELD, MI 48075
Assignment: 18
Reel/Frame:014311/0818   Pages: 2
Recorded: 02/28/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
01/30/2003
2
WEIS, JOHANN
Exec Dt:
02/04/2003
3
CLASEN, ROLF
Exec Dt:
02/12/2003
4
TABELLION, JAN
Exec Dt:
02/12/2003
Assignee
1
WACKER-CHEMIE GMBH
HANNS-SEIDEL-PLATZ 4
81737 MUNCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040053767
10362986
Correspondence name and address
BROOKS & KUSHMAN P.C.
WILLIAM G. CONGER
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MICHIGAN 48075
Assignment: 19
Reel/Frame:014792/0459   Pages: 3
Recorded: 12/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
10/21/2003
2
GUNSTER, JENS
Exec Dt:
11/03/2003
3
ENGLER, SVEN
Exec Dt:
11/03/2003
4
HEINRICH, JURGEN
Exec Dt:
10/23/2003
5
FRAUENKNECHT, AXEL
Exec Dt:
10/23/2003
Assignee
1
WACKER-CHEMIE GMBH
HANNS-SEIDEL-PLATZ 4
MUNICH, GERMANY 81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040118158
10732705
Correspondence name and address
BROOKS KUSHMAN P.C.
WILLIAM G. CONGER
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48075-1238
Assignment: 20
Reel/Frame:015229/0560   Pages: 2
Recorded: 04/15/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
03/10/2004
2
SZILLAT, HOLGER
Exec Dt:
03/11/2004
3
TABELLION, JAN
Exec Dt:
03/18/2004
4
CLASEN, ROLF
Exec Dt:
03/16/2004
Assignee
1
WACKER-CHEMIE GMBH
HANNS-SEIDEL-PLATZ 4
81737 MUNICH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040216486
10825890
Correspondence name and address
BROOKS KUSHMAN PC
WILLIAM G. CONGER
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48075-1238
Assignment: 21
Reel/Frame:015401/0085   Pages: 2
Recorded: 05/27/2004
Attorney Dkt #:was 0636 pus
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
04/23/2004
2
GUENSTER, JENS
Exec Dt:
04/26/2004
3
ENGLER, SVEN
Exec Dt:
04/26/2004
4
HEINRICH, JUERGEN
Exec Dt:
04/26/2004
Assignee
1
WACKER-CHEMIE GMBH
HANNS-SEIDEL-PLATZ 4
MUNCHEN, GERMANY D-81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7178366
US20040237588
10855126
Correspondence name and address
BROOKS KUSHMAN P.C.
WILLIAM G. CONGER
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 22
Reel/Frame:015804/0550   Pages: 2
Recorded: 09/17/2004
Attorney Dkt #:WAS0656PUSA1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SZILLAT, HOLGER
Exec Dt:
08/30/2004
2
SCHWERTFEGER, FRITZ
Exec Dt:
08/31/2004
3
HAACK, BERND
Exec Dt:
09/02/2004
4
SCHAFER, MARCUS
Exec Dt:
09/07/2004
Assignee
1
WACKER-CHEMIE GMBH
HANNS-SEIDEL-PLATZ 4
81737 MUNCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050129603
10943747
Correspondence name and address
BROOKS KUSHMAN P.C.
WILLIAM G. CONGER
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075-1238
Assignment: 23
Reel/Frame:017279/0374   Pages: 2
Recorded: 03/09/2006
Attorney Dkt #:WAS0763PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWERTFEGER, FRITZ
Exec Dt:
02/06/2006
2
GUENSTER, JENS
Exec Dt:
02/21/2006
3
ENGLER, SVEN
Exec Dt:
02/21/2006
4
HEINRICH, JUERGEN
Exec Dt:
02/21/2006
Assignee
1
WACKER CHEMIE AG
HANNS-SEIDEL-PLATZ 4
MUNICH, GERMANY 81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070013098
10595156
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075

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