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Patent Assignment Assignor Details
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Assignor Name : KAHL, LOTHAR
Total Assignments: 20
Assignment: 1
Reel/Frame:004831/0967   Pages: 1
Recorded: 02/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
01/21/1988
2
SCHONFELDER, MANFRED
Exec Dt:
01/21/1988
3
HOHLEIN, PETER
Exec Dt:
01/21/1988
4
KAHL, LOTHAR
Exec Dt:
01/21/1988
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4837273
NONE
07153236
Correspondence name and address
CONNOLLY & HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 2
Reel/Frame:004973/0377   Pages: 1
Recorded: 11/09/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KAHL, LOTHAR
Exec Dt:
10/21/1988
2
PEDAIN, JOSEF
Exec Dt:
10/21/1988
3
WELLNER, WOLFGANG
Exec Dt:
10/21/1988
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4910332
NONE
07269230
Correspondence name and address
PATENT DEPARTMENT
MOBAY CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:005369/0257   Pages: 2
Recorded: 06/19/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ZWIENER, CHRISTIAN
Exec Dt:
05/28/1990
2
PEDAIN, JOSEF
Exec Dt:
05/28/1990
3
KAHL, LOTHAR
Exec Dt:
05/28/1990
4
NACHTKAMP, KLAUS
Exec Dt:
05/28/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5126170
NONE
07540536
Correspondence name and address
PATENT DEPARTMENT
MOBAY CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:005594/0167   Pages: 2
Recorded: 02/13/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHMALSTIEG, LUTZ
Exec Dt:
08/22/1990
2
PEDAIN, JOSEF
Exec Dt:
08/22/1990
3
NACHTKAMP, KLAUS
Exec Dt:
08/22/1990
4
KAHL, LOTHAR
Exec Dt:
08/22/1990
5
SCHONFELDER, MANFRED
Exec Dt:
08/22/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5096994
NONE
07561770
Correspondence name and address
THOMAS W. ROY
MOBAY CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:005546/0240   Pages: 2
Recorded: 12/10/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PEDAIN, JOSEF
Exec Dt:
09/17/1990
2
KAHL, LOTHAR
Exec Dt:
09/17/1990
3
WEBER, KARL-ARNOLD
Exec Dt:
09/20/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5068402
NONE
07555872
Correspondence name and address
MOBAY CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:006418/0410   Pages: 2
Recorded: 02/10/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HOVESTADT, WIELAND
Exec Dt:
12/10/1992
2
KAHL, LOTHAR
Exec Dt:
12/08/1992
3
MEIXNER, JUERGEN
Exec Dt:
12/10/1992
4
WAMPRECHT, CHRISTIAN
Exec Dt:
12/09/1992
5
SCHNEIDER, VOLKER
Exec Dt:
12/10/1992
6
SCHOENFELDER, MANFRED
Exec Dt:
12/09/1992
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTABTEILUNG
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5281629
NONE
08015728
Correspondence name and address
DONNA J. VEATCH
MILES INC.
PATENT DEPT.
MOBAY ROAD
PITTSBURGH, PA 15205
Assignment: 7
Reel/Frame:006564/0629   Pages: 2
Recorded: 05/12/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLUM, HARALD
Exec Dt:
03/19/1993
2
KAHL, LOTHAR
Exec Dt:
03/17/1993
3
YUVA, NUSRET
Exec Dt:
03/18/1993
4
BOCK, MANFRED
Exec Dt:
03/18/1993
Assignee
1
BAYER AKTIENGESELLSCHAFT
509 LEVERKUSEN
BAYERWERK, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5349041
NONE
08061640
Correspondence name and address
DONNA J. VEATCH
MILES INC.
PATENT DEPARTMENT
MOBAY ROAD
PITTSBURGH, PA 15205
Assignment: 8
Reel/Frame:006786/0847   Pages: 2
Recorded: 11/22/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAAS, HANS-JOSEF
Exec Dt:
10/25/1993
2
HALPAAP, REINHARD
Exec Dt:
10/12/1993
3
WAMPRECHT, CHRISTIAN
Exec Dt:
10/14/1993
4
MEIER-WESTHUES, HANS-ULRICH
Exec Dt:
10/15/1993
5
SCHULTZ, WOLFGANG
Exec Dt:
10/19/1993
6
KAHL, LOTHAR
Exec Dt:
10/18/1993
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNVERWALTUNG RP PATENTABTEILUNG
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5464921
NONE
08156202
Correspondence name and address
MILES INC.
DONNA J. VEATCH
PATENT DEPARTMENT
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:007253/0765   Pages: 2
Recorded: 10/31/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
09/06/1994
2
LAAS, HANS-JOSEF
Exec Dt:
09/05/1994
3
BOCK, MANFRED
Exec Dt:
08/30/1994
4
MEIER-WESTHUES, HANS-ULRICH
Exec Dt:
09/01/1994
5
SCHULTZ, WOLFGANG
Exec Dt:
09/02/1994
6
KAHL, LOTHAR
Exec Dt:
08/30/1994
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNVERWALTUNG RP PATENTABTEILUNG
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5492955
NONE
08333091
Correspondence name and address
MILES, INC.
THOMAS W. ROY
PATENT DEPT.
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:007361/0698   Pages: 2
Recorded: 02/16/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HALPAAP, REINHARD
Exec Dt:
01/05/1995
2
MEIER-WESTHUES, HANS-ULRICH
Exec Dt:
01/10/1995
3
WAMPRECHT, CHRISTIAN
Exec Dt:
01/09/1995
4
BOCK, MANFRED
Exec Dt:
01/10/1995
5
SCHULTZ, WOLFGANG
Exec Dt:
01/23/1995
6
KAHL, LOTHAR
Exec Dt:
01/10/1995
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNVERWALTUNG RP PATENTABTEILUNG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5510444
NONE
08390393
Correspondence name and address
MILES INC.
THOMAS W. ROY
PATENT DEPARTMENT
MOBAY ROAD
PITTSBURGH, PENNSYLVANIA 15205
Assignment: 11
Reel/Frame:007582/0966   Pages: 2
Recorded: 07/20/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHNEIDER, VOLKER
Exec Dt:
05/31/1995
2
BLUM, HARALD
Exec Dt:
05/30/1995
3
KAHL, LOTHAR
Exec Dt:
05/19/1995
4
SCHMITZ, HANS-GUNTER
Exec Dt:
06/12/1995
5
YUVA, NUSRET
Exec Dt:
05/24/1995
Assignee
1
BAYER AKTIENGESELLSCHAFT KONZERNVERWALTUNG RP
PATENTABTEILUNG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6166111
NONE
08504610
Correspondence name and address
DONNA J. VEATCH
BAYER CORPORATION
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 12
Reel/Frame:007621/0626   Pages: 2
Recorded: 07/19/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REUTER, KNUD
Exec Dt:
06/12/1995
2
SCHAFER, WALTER
Exec Dt:
06/08/1995
3
MULLER, HANNS PETER
Exec Dt:
06/08/1995
4
MEIER-WESTHUES, HANS-ULRICH
Exec Dt:
05/30/1995
5
KAHL, LOTHAR
Exec Dt:
05/29/1995
6
BOCK, MANFRED
Exec Dt:
06/06/1995
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNVERWALTUNG RP PATENTABTEILUNG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5534601
NONE
08504159
Correspondence name and address
BAYER CORPORATION
DONNA J. VEATCH
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 13
Reel/Frame:007584/0051   Pages: 2
Recorded: 07/17/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
06/07/1995
2
MEIER-WESTHUES, HANS-ULRICH
Exec Dt:
06/06/1995
3
MEIXNER, JURGEN
Exec Dt:
06/06/1995
4
KAHL, LOTHAR
Exec Dt:
06/06/1995
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D5136
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5521250
NONE
08503054
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPT.
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 14
Reel/Frame:008539/0331   Pages: 2
Recorded: 04/03/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAUMBACH, BEATE
Exec Dt:
03/06/1997
2
KONIG, EBERHARD
Exec Dt:
03/06/1997
3
KAHL, LOTHAR
Exec Dt:
03/06/1997
4
YUVA, NUSRET
Exec Dt:
03/06/1997
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN
KONZERNVEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5723536
NONE
08832551
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 15
Reel/Frame:008521/0392   Pages: 2
Recorded: 04/22/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WILMES, OSWALD
Exec Dt:
03/26/1997
2
KAHL, LOTHAR
Exec Dt:
03/27/1997
3
KLINKSIEK, BERND
Exec Dt:
04/01/1997
4
WAMPHRECHT, CHRISTIAN
Exec Dt:
04/10/1997
5
BOCK, MANFRED
Exec Dt:
04/10/1997
6
NACHTKAMP, KLAUS
Exec Dt:
04/07/1997
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONSERNBEREICH RP PATENT UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5981653
NONE
08844815
Correspondence name and address
BAYER CORPORATION
PATENT DEPARTMENT
THOMAS W. BOY
100 BAYER ROAD
PITTSBURGH PA 15205
Assignment: 16
Reel/Frame:009163/0242   Pages: 2
Recorded: 04/16/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHAFER, WALTER
Exec Dt:
03/19/1998
2
REUTER, KNUD
Exec Dt:
03/26/1998
3
MULLER, HANNS-PETER
Exec Dt:
03/30/1998
4
MEIER-WESTHUES, HANS-ULRICH
Exec Dt:
03/19/1998
5
FREUDENBERG, ULRICH
Exec Dt:
03/20/1998
6
KAHL, LOTHAR
Exec Dt:
04/06/1998
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5959060
NONE
09061422
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPAARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205
Assignment: 17
Reel/Frame:009909/0646   Pages: 2
Recorded: 04/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
09/03/1998
2
KAHL, LOTHAR
Exec Dt:
09/04/1998
3
KLINKSIEK, BERND
Exec Dt:
09/07/1998
4
YUVA, NUSRET
Exec Dt:
09/10/1998
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6251985
NONE
09136146
Correspondence name and address
BAYER CORPORATION
DIDERICO VAN EYL
PATENTS AND LICENSING
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 18
Reel/Frame:009911/0354   Pages: 2
Recorded: 04/20/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOVESTADT, WIELAND
Exec Dt:
03/11/1999
2
FISCHER, WOLFGANG
Exec Dt:
03/18/1999
3
BOCK, MANFRED
Exec Dt:
03/16/1999
4
ENGBERT, THEODOR
Exec Dt:
03/17/1999
5
KAHL, LOTHAR
Exec Dt:
03/26/1999
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6335381
NONE
09294854
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 19
Reel/Frame:010401/0878   Pages: 3
Recorded: 11/10/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLUM, HARALD
Exec Dt:
09/26/1999
2
HOVESTADT, WIELAND
Exec Dt:
09/27/1999
3
KAHL, LOTHAR
Exec Dt:
10/04/1999
4
WICKS, DOUGLAS A.
Exec Dt:
10/22/1999
Assignees
1
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN
D-51368 LEVERKUSEN, GERMAN DEMOCRATIC REPUBLIC
2
BAYER CORPORATION
100 BAYER ROAD
PATENT AND LICENSING
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6084051
NONE
09318356
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 20
Reel/Frame:035140/0695   Pages: 5
Recorded: 03/11/2015
Attorney Dkt #:074023-0599-US-523338
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAAS, HANS-JOSEF
Exec Dt:
01/29/2015
2
SANCHEZ, BERTA VEGA
Exec Dt:
02/02/2015
3
KAHL, LOTHAR
Exec Dt:
01/28/2015
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9353210
US20150259461
14425206
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801

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