skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : ESCHER, CLAUS
Total Assignments: 19
Assignment: 1
Reel/Frame:005026/0823   Pages: 3
Recorded: 12/21/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KURMEIER, HANS A.
Exec Dt:
12/16/1987
2
SAGE, IAN C.
Exec Dt:
12/16/1987
3
JENNER, JOHN A.
Exec Dt:
12/16/1987
4
PAULUTH, DETLEF
Exec Dt:
12/16/1987
5
ESCHER, CLAUS
Exec Dt:
12/16/1987
6
POETSCH, EIKE
Exec Dt:
12/16/1987
Assignee
1
SECRETARY OF STATE FOR DEFENCE, IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND, A BRITISH CORPORATION SOLE OF WHITEHALL, LONDON SW1A 2HB, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4911863
NONE
07117065
Correspondence name and address
STEVENS DAVIS MILLER & MOSHER
515 NORTH WASHINGTON ST.
P. O. BOX 1427
ALEXANDRIA, VA 22313
Assignment: 2
Reel/Frame:004871/0550   Pages: 1
Recorded: 04/05/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BAHR, CHRISTIAN
Exec Dt:
03/11/1988
2
HEPPKE, GERD
Exec Dt:
03/11/1988
3
LOTZSCH, DETLEF
Exec Dt:
03/11/1988
4
DUBAL, HANS-ROLF
Exec Dt:
03/18/1988
5
ESCHER, CLAUS
Exec Dt:
03/18/1988
6
OHLENDORF, DIETER
Exec Dt:
03/18/1988
Assignee
1
HOECHST AKTIENGESELLSCHAFT, D-6230 FRANKFURT AM MAIN 80, FEDERAL REPUBLIC OF GERMANY, A CORPORATION OF THE REPUBLIC OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4927244
NONE
07177685
Correspondence name and address
DONALD R. BENTZ
C/O CURTIS, MORRIS & SAFFORD
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 3
Reel/Frame:004900/0253   Pages: 1
Recorded: 05/26/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHEROWSKY, GUNTER
Exec Dt:
04/29/1988
2
GAY, JURGEN
Exec Dt:
04/29/1988
3
DUBAL, HANS-ROLF
Exec Dt:
05/05/1988
4
ESCHER, CLAUS
Exec Dt:
05/05/1988
5
HEMMERLING, WOLFGANG
Exec Dt:
05/05/1988
6
MULLER, INGRID
Exec Dt:
05/05/1988
7
OHLENDORF, DIETER
Exec Dt:
05/05/1988
8
WINGEN, RAINER
Exec Dt:
05/05/1988
Assignee
1
HOECHST AAKTIENGESELLSCHAFT, A CORP. OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4988459
NONE
07199101
Correspondence name and address
DONALD R. BENTZ
C/O CURTIS, MORRIS & SAFFORD
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 4
Reel/Frame:004947/0066   Pages: 1
Recorded: 09/16/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WINGEN, RAINER
Exec Dt:
08/30/1988
2
DUBAL, HANS-ROLF
Exec Dt:
08/30/1988
3
ESCHER, CLAUS
Exec Dt:
08/30/1988
4
HEMMERLING, WOLFGANG
Exec Dt:
08/30/1988
5
MULLER, INGRID
Exec Dt:
08/30/1988
6
OHLENDORF, DIETER
Exec Dt:
08/30/1988
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP. OF FEDERAL REPUBLIC OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4891151
NONE
07245452
Correspondence name and address
DONALD R. BENTZ
C/O CURTIS, MORRIS & SAFFORD
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 5
Reel/Frame:004956/0571   Pages: 1
Recorded: 09/16/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUBAL, HANS-ROLF
Exec Dt:
08/30/1988
2
ESCHER, CLAUS
Exec Dt:
08/30/1988
3
HEMMERLING, WOLFGANG
Exec Dt:
08/30/1988
4
MULLER, INGRID
Exec Dt:
08/30/1988
5
OHLENDORF, DIETER
Exec Dt:
08/30/1988
6
WINGEN, RAINER
Exec Dt:
08/30/1988
Assignee
1
HOECHST AKTIENGESELLSCHAFT, CORP. OF FEDERAL REPUBLIC OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5071589
NONE
07245408
Correspondence name and address
DONALD R. BENTZ
C/O CURTIS, MORRIS & SAFFORD
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 6
Reel/Frame:005402/0984   Pages: 2
Recorded: 08/03/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ESCHER, CLAUS
Exec Dt:
07/17/1990
2
DUBAL, HANS-ROLF
Exec Dt:
07/17/1990
3
FELDHUES, MICHAEL
Exec Dt:
07/17/1990
4
HARADA, TAKAMASA
Exec Dt:
07/17/1990
5
ILLIAN, GERHARD
Exec Dt:
07/17/1990
6
MECKLENBURG, THOMAS
Exec Dt:
07/17/1990
7
MURAKAMI, MIKIO
Exec Dt:
07/23/1990
8
OHLENDORF, DIETER
Exec Dt:
07/17/1990
9
PAMPUS, KARL
Exec Dt:
07/17/1990
Assignee
1
HOECHST AKTIENGESELLSCHAFT
AM MAIN 80
A CORP. OF FED. REP. OF GERMANY
D-6230 FRANKFURT, FED. REP. OF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5118538
NONE
07562600
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS, MORRIS & SAFFORD
530 FIFTH AVE.
NEW YORK, NY 10036
Assignment: 7
Reel/Frame:005685/0731   Pages: 4
Recorded: 04/10/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ESCHER, CLAUS
Exec Dt:
03/15/1991
2
ILLIAN, GERHARD
Exec Dt:
03/15/1991
3
ROSCH, NORBERT
Exec Dt:
03/15/1991
4
HARADA, TAKAMASA
Exec Dt:
03/04/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT
A CORP. OF THE FED. REP. OF GERMANY
FRANKFURT AM MAIN 80, GERMANY D-6230
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5206751
NONE
07683325
Correspondence name and address
WILLIAM F. LAWRENCE
C/O CURTIS, MORRIS & SAFFORD
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 8
Reel/Frame:005895/0240   Pages: 3
Recorded: 10/31/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUBAL, HANS-ROLF
Exec Dt:
09/27/1991
2
ESCHER, CLAUS
Exec Dt:
09/27/1991
3
HEMMERLING, WOLFGANG
Exec Dt:
09/27/1991
4
MULLER, INGRID
Exec Dt:
09/27/1991
5
OHLENDORF, DIETER
Exec Dt:
09/27/1991
6
WINGEN RAINER
Exec Dt:
09/27/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP. OF FED. REP. OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5378394
NONE
07761813
Correspondence name and address
CURTIS, MORRIS & SAFFORD, P.C.
530 FIFTH AVE.
NEW YORK, NY 10036
Assignment: 9
Reel/Frame:006266/0906   Pages: 3
Recorded: 11/14/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUBAL, HANS-ROLF
Exec Dt:
09/27/1991
2
ESCHER, CLAUS
Exec Dt:
09/27/1991
3
HEMMERLING, WOLFGANG
Exec Dt:
09/27/1991
4
MULLER, INGRID
Exec Dt:
09/27/1991
5
OHLENDORF, DIETER
Exec Dt:
09/27/1991
6
WINGEN, RAINER
Exec Dt:
09/27/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT
A CORPORATION OF THE FED. REP. OF GERMANY
D-6230 FRANKFURT AM MAIN 80, FED. REP. OF GERMANY
MAIN 80, FED. REP. OF GERMANY, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5286409
NONE
07768561
Correspondence name and address
WILLIAM F. LAWRENCE
C/O CURTIS, MORRIS & SAFFORD
530 FIFTH AVE.
NEW YORK, NY 10036
Assignment: 10
Reel/Frame:006104/0032   Pages: 4
Recorded: 11/27/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUBAL, HANS-ROLF
Exec Dt:
11/01/1991
2
ESCHER, CLAUS
Exec Dt:
11/01/1991
3
OHLENDORF, DIETER
Exec Dt:
11/01/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORPORATION OF FEDERAL REPUBLIC OF GERMANY
FRANKFURT AM MAIN 80, GERMANY D-6230
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5257122
NONE
07777245
Correspondence name and address
CURTIS, MORRIS AND SAFFORD
WILLIAM F. LAWRENCE
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 11
Reel/Frame:006055/0141   Pages: 3
Recorded: 12/13/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ESCHER, CLAUS
Exec Dt:
11/27/1991
2
DUBAL, HANS-ROLF
Exec Dt:
11/27/1991
3
OHLENDORF, DIETER
Exec Dt:
11/27/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT A CORP. OF THE FEDERAL REPUBLIC OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5353136
NONE
07778175
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS, MORRIS AND SAFFORD
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 12
Reel/Frame:006606/0003   Pages: 2
Recorded: 05/19/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESCHER, CLAUS
Exec Dt:
12/13/1991
2
ILLIAN, GERHARD
Exec Dt:
12/13/1991
3
HEMMERLING, WOLFGANG
Exec Dt:
12/13/1991
4
WINGEN, RAINER
Exec Dt:
12/13/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT
FRANKFURT AM MAIN 80, GERMANY 6230
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5443754
NONE
08064024
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS MORRIS & SAFFORD, P.C.
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 13
Reel/Frame:006542/0059   Pages: 3
Recorded: 01/21/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLATTER, KARSTEN
Exec Dt:
12/14/1992
2
ESCHER, CLAUS
Exec Dt:
12/14/1992
3
HEMMERLING, WOLFGANG
Exec Dt:
12/14/1992
Assignee
1
HOECHST AKTIENGESELLSCHAFT
6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5360576
NONE
07965366
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS, MORRIS & SAFFORD, P.C.
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 14
Reel/Frame:006591/0906   Pages: 3
Recorded: 02/05/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESCHER, CLAUS
Exec Dt:
01/25/1993
2
OHLENDORF, DIETER
Exec Dt:
01/25/1993
3
RIEGER, HEINZ
Exec Dt:
01/25/1993
4
ROSCH, NORBERT
Exec Dt:
01/25/1993
Assignee
1
HOECHST AKTIENGESELLSCHAFT
6230 FRANKFURT AM MAIN 80 FEDERAL REPUBLIC OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5430564
NONE
07946378
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS, MORRIS & SAFFORD, P.C.
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 15
Reel/Frame:006666/0445   Pages: 3
Recorded: 02/05/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESCHER, CLAUS
Exec Dt:
01/25/1993
2
OHLENDORF, DIETER
Exec Dt:
01/25/1993
3
RIEGER, HEINZ
Exec Dt:
01/25/1993
4
ROSCH, NORBERT
Exec Dt:
01/25/1993
Assignee
1
HOECHST AKTIENGESELLSCHAFT
6230 FRANKFURT AM MAIN 80 FEDERAL REPUBLIC OF GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5361152
NONE
07949839
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS, MORRIS & SAFFORD, P.C.
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 16
Reel/Frame:006543/0049   Pages: 2
Recorded: 03/11/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ESCHER, CLAUS
Exec Dt:
01/26/1993
Assignee
1
HOECHST AKTIENGESELLSCHAFT
POSTFACH 80 03 20
6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5539555
NONE
07832414
Correspondence name and address
GREENLEE & WINNER, P.C.
MARGARET M. WALL
5370 MANHATTAN CIRCLE, SUITE 201
BOULDER, CO 80303
Assignment: 17
Reel/Frame:006613/0630   Pages: 3
Recorded: 06/21/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARADA, TAKAMASA
Exec Dt:
05/21/1993
2
ESCHER, CLAUS
Exec Dt:
05/04/1993
3
ILLIAN, GERD
Exec Dt:
05/21/1993
4
KALTBEITZEL, ANKE
Exec Dt:
05/04/1993
5
ROSCH, NORBERT
Exec Dt:
05/04/1993
Assignee
1
HOECHST AKTIENGESELLSCHAFT
FRANKFURT AM MAIN 80, GERMANY 6230
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5333075
NONE
08047688
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS, MORRIS & SAFFORD, P.C.
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 18
Reel/Frame:006613/0633   Pages: 3
Recorded: 06/21/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARADA, TAKAMASA
Exec Dt:
05/21/1993
2
ESCHER, CLAUS
Exec Dt:
05/04/1993
3
ILLIAN, GERD
Exec Dt:
05/21/1993
4
KALTBEITZEL, ANKE
Exec Dt:
05/04/1993
5
ROSCH, NORBERT
Exec Dt:
05/04/1993
Assignee
1
HOECHST AKTIENGESELLSCHAFT
6230 FRANKFURT AM MAIN 80
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5373380
NONE
08047815
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS, MORRIS & SAFFORD, P.C.
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 19
Reel/Frame:006718/0603   Pages: 3
Recorded: 10/04/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE MEIJERE, ARMIN
Exec Dt:
09/15/1993
2
DUBAL, HANS-ROLF
Exec Dt:
07/28/1993
3
ESCHER, CLAUS
Exec Dt:
08/02/1993
4
HEMMERLING, WOLFGANG
Exec Dt:
08/06/1993
5
MULLER, INGRID
Exec Dt:
08/02/1993
6
OHLENDORF, DIETER
Exec Dt:
08/03/1993
7
WINGEN, RAINER
Exec Dt:
07/30/1993
8
HARADA, TAKAMASA
Exec Dt:
08/18/1993
9
ILLIAN, GERHARD
Exec Dt:
08/18/1993
10
MURAKAMI, MIKIO
Exec Dt:
08/19/1993
Assignee
1
HOECHST AKTIENGESELLSCHAFT
ZENTALE PATENTABTEILUNG
GEBAUDE F821
65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5407599
NONE
08131763
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS MORRIS & SAFFORD P.C.
530 FIFTH AVENUE
NEW YORK, NY 10036

Search Results as of: 05/08/2024 11:58 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT