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Patent Assignment Assignor Details
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Assignor Name : MICHELS, ERHARD
Total Assignments: 18
Assignment: 1
Reel/Frame:007219/0411   Pages: 2
Recorded: 10/31/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEBER, HANS G.
Exec Dt:
09/13/1994
2
HAAS, PETER
Exec Dt:
09/12/1994
3
MICHELS, ERHARD
Exec Dt:
09/12/1994
4
WEBER, CHRISTIAN
Exec Dt:
09/13/1994
5
BRECHT, KLAUS
Exec Dt:
09/13/1994
Assignee
1
BAYER AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5464880
NONE
08332676
Correspondence name and address
MILES INC.
DONNA J. VEATCH
PATENT DEPARTMENT
MOBAY ROAD
PITTSBURGH, PENNSYLVANIA 15205
Assignment: 2
Reel/Frame:010443/0276   Pages: 2
Recorded: 09/13/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MICHELS, ERHARD
Exec Dt:
06/17/1999
2
PLEISS, KLAUS
Exec Dt:
06/18/1999
3
DICK, HANS-NORBERT
Exec Dt:
06/28/1999
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6169157
NONE
09381059
Correspondence name and address
BAYER CORPORATION
N. DENISE BROWN
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:012385/0156   Pages: 2
Recorded: 12/14/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LORENZ, KLAUS
Exec Dt:
09/10/2001
2
SCHUETZE, MARC
Exec Dt:
09/24/2001
3
MICHELS, ERHARD
Exec Dt:
09/11/2001
4
ECKHARDT, ALEXANDER
Exec Dt:
09/10/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020120028
10020493
Correspondence name and address
BAYER CORPORATION
KAREN LOCKHART
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:012385/0246   Pages: 2
Recorded: 12/14/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LORENZ, KLAUS
Exec Dt:
10/26/2001
2
SCHUTZE, MARC
Exec Dt:
10/26/2001
3
MICHELS, ERHARD
Exec Dt:
10/26/2001
4
ECKHARDT, ALEXANDER
Exec Dt:
10/26/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6737471
US20020120027
10020473
Correspondence name and address
BAYER CORPORATION
ARON PREIS
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:014094/0096   Pages: 2
Recorded: 05/19/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAYER, EDUARD
Exec Dt:
03/25/2003
2
MICHELS, ERHARD
Exec Dt:
03/20/2003
3
MEYER, HELMUT
Exec Dt:
04/01/2003
4
PLEISS, KLAUS
Exec Dt:
03/20/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030220445
10440654
Correspondence name and address
BAYER POLYMERS LLC
DONNA J. VEATCH
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:014627/0915   Pages: 2
Recorded: 10/20/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MICHELS, ERHARD
Exec Dt:
09/08/2003
2
NEFZGER, HARTMUT
Exec Dt:
10/09/2003
3
SCHLEIERMACHER, STEPHAN
Exec Dt:
09/03/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6858699
US20040082677
10687959
Correspondence name and address
BAYER POLYMERS LLC
DONNA J. VEATCH
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 7
Reel/Frame:015270/0087   Pages: 2
Recorded: 04/26/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRIMM, WOLFGANG
Exec Dt:
03/18/2004
2
MICHELS, ERHARD
Exec Dt:
03/18/2004
3
SCHUETZE, MARC
Exec Dt:
03/19/2004
Assignee
1
BAYER MATERIALSCIENCE AG
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040220290
10832124
Correspondence name and address
BAYER POLYMERS LLC
DONNA J. VEATCH
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741A
Assignment: 8
Reel/Frame:015614/0416   Pages: 2
Recorded: 07/22/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARMUT
Exec Dt:
05/27/2004
2
BAUER, ERIKA
Exec Dt:
05/27/2004
3
MICHELS, ERHARD
Exec Dt:
06/02/2004
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7772321
US20050027067
10897683
Correspondence name and address
BAYER MATERIALSCIENCE LLC
DANNA J. VEATCH
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:016073/0116   Pages: 2
Recorded: 12/07/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
11/09/2004
2
BAUER, ERIKA
Exec Dt:
11/09/2004
3
MICHELS, ERHARD
Exec Dt:
11/12/2004
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050131137
11006103
Correspondence name and address
N. DENISE BROWN
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:016056/0142   Pages: 3
Recorded: 12/02/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
11/18/2004
2
BAUER, ERIKA
Exec Dt:
11/23/2004
3
MICHELS, ERHARD
Exec Dt:
11/24/2004
4
PERCHENEK, NILS
Exec Dt:
11/24/2004
Assignee
1
BAYER MATERIALSCIECNE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050137275
11002942
Correspondence name and address
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:016371/0982   Pages: 3
Recorded: 03/05/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZER, HARTMUT
Exec Dt:
02/24/2005
2
KLEIN, GERHARD
Exec Dt:
02/25/2005
3
MICHELS, ERHARD
Exec Dt:
01/26/2005
4
BODDENBERG, ULRICH
Exec Dt:
01/25/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7091304
US20050143555
11005704
Correspondence name and address
BAYER MATERIALSCIENCE LLC
JOHN E. MROZINSKI, JR.
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:016466/0857   Pages: 3
Recorded: 04/18/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRIMM, WOLFGANG
Exec Dt:
03/23/2005
2
MICHELS, ERHARD
Exec Dt:
03/27/2005
3
BRECHT, KLAUS
Exec Dt:
03/21/2005
4
PFEUFFER, UWE
Exec Dt:
03/22/2005
Assignee
1
BAYER MATERIALSCIENCE AG
KONZERNBEREICH RP
PATENTE UND LIZENZEN
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050197413
11069241
Correspondence name and address
N. DENISE BROWN
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 13
Reel/Frame:017368/0551   Pages: 3
Recorded: 12/13/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
11/09/2005
2
BAUER, ERIKA
Exec Dt:
11/09/2005
3
MICHELS, ERHARD
Exec Dt:
11/10/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060135727
11302030
Correspondence name and address
N. DENISE BROWN
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 14
Reel/Frame:017309/0164   Pages: 3
Recorded: 12/06/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MICHELS, ERHARD
Exec Dt:
11/13/2005
2
SCHWOB, VOLKER
Exec Dt:
11/02/2005
Assignees
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
2
BUFA POLYURETHANE GMBH & CO. KG
MITTELKAMP 112
26125 OLDENBURG, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060058455
11211899
Correspondence name and address
LYNDANNE M. WHALEN
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 15
Reel/Frame:034978/0820   Pages: 4
Recorded: 02/18/2015
Attorney Dkt #:074023-0594-US-522590
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUPKA, FLORIAN
Exec Dt:
01/13/2015
2
SCHORNSTEIN, MARCEL
Exec Dt:
01/21/2015
3
WEGENER, DIRK
Exec Dt:
01/23/2015
4
RASSELNBERG, HARALD
Exec Dt:
01/23/2015
5
MICHELS, ERHARD
Exec Dt:
01/27/2015
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9376564
US20150225566
14422204
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 16
Reel/Frame:038811/0694   Pages: 3
Recorded: 06/06/2016
Attorney Dkt #:074023-0683-US-543186
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MICHELS, ERHARD
Exec Dt:
05/18/2016
2
ALBERS, REINHARD
Exec Dt:
05/18/2016
3
VOGEL, STEPHANIE
Exec Dt:
05/18/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160297917
15100853
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 17
Reel/Frame:052687/0750   Pages: 10
Recorded: 05/18/2020
Attorney Dkt #:2017P30160WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARNTZ, HANS-DETLEF
Exec Dt:
02/18/2020
2
KAWAMURA, KOICHI
Exec Dt:
01/30/2020
3
KOSS-NASSER, GERLINDE
Exec Dt:
02/12/2020
4
MICHELS, ERHARD
Exec Dt:
01/29/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10889679
US20200308333
16764999
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 18
Reel/Frame:054793/0969   Pages: 4
Recorded: 12/17/2020
Attorney Dkt #:2016P30176WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALBERS, REINHARD
Exec Dt:
09/18/2020
2
FROMMONT, MARION
Exec Dt:
09/23/2020
3
KLASEN, PATRICK
Exec Dt:
09/18/2020
4
MICHELS, ERHARD
Exec Dt:
09/21/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210253781
17253172
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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