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Patent Assignment Assignor Details
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Assignor Name : LEHNER, PETER
Total Assignments: 20
Assignment: 1
Reel/Frame:005246/0415   Pages: 2
Recorded: 03/02/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEHNER, PETER
Exec Dt:
02/27/1990
Assignee
1
LEIGH FIBERS, INC.
52 ACCORD DR.
A CORP. OF MA
NORWELL, MASSACHUSETTS 02061
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5044235
NONE
07488273
Correspondence name and address
DAVID E. BROOK
HAMILTON, BROOK, SMITH & REYNOLDS
2 MILITIA DRIVE
LEXINGTON, MA 02173
Assignment: 2
Reel/Frame:015881/0797   Pages: 2
Recorded: 10/07/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEHNER, PETER
Exec Dt:
07/26/2004
2
TUREK, THOMAS
Exec Dt:
07/26/2004
3
BRANDT, MATTHIAS
Exec Dt:
07/27/2004
4
BUCHHOLZ, SUSANNE
Exec Dt:
07/29/2004
Assignee
1
BAYER MATERIALSCIENCE AG
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7193112
US20050080293
10960455
Correspondence name and address
BAYER MATERIALSCIENCE LLC
DONNA J. VEATCH
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:019510/0938   Pages: 10
Recorded: 06/07/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGAL, MARKUS
Exec Dt:
03/26/2007
2
VON GEHLEN, FRANZ-ULRICH
Exec Dt:
04/05/2007
3
WERSHOFEN, STEFAN
Exec Dt:
04/11/2007
4
LAGO, ANDRE
Exec Dt:
04/12/2007
5
LEHNER, PETER
Exec Dt:
04/12/2007
6
BACKER, WERNER
Exec Dt:
05/04/2007
7
MAROTZ, BENIE
Exec Dt:
04/24/2007
8
BRINKSCHULTE, HORST
Exec Dt:
05/18/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070238901
11706438
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:019308/0449   Pages: 3
Recorded: 05/11/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGAL, MARKUS
Exec Dt:
03/26/2007
2
GEHLEN, FRANZ-ULRICH VON
Exec Dt:
04/05/2007
3
WERSHOFEN, STEFAN
Exec Dt:
04/11/2007
4
LAGO, ANDRE
Exec Dt:
04/05/2007
5
LEHNER, PETER
Exec Dt:
04/17/2007
6
MAROTZ, BENIE
Exec Dt:
04/24/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7692042
US20070203364
11706444
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:020084/0927   Pages: 6
Recorded: 11/05/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOMMER, KNUT
Exec Dt:
09/26/2007
2
SCHWARZ, IDO
Exec Dt:
10/07/2007
3
BUCHHOLZ, SUSANNE
Exec Dt:
10/01/2007
4
LAGO, ANDRE
Exec Dt:
10/09/2007
5
ORZESEK, HOLGER
Exec Dt:
10/09/2007
6
GEHLEN, FRANZ-ULRICH VON
Exec Dt:
09/26/2007
7
WILKE, KARL-HEINZ
Exec Dt:
10/18/2007
8
PIRKL, HANS-GEORG
Exec Dt:
10/15/2007
9
LEHNER, PETER
Exec Dt:
10/09/2007
10
SCHUBERT, STEPHAN
Exec Dt:
09/26/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9067864
US20080234518
11881014
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:020542/0305   Pages: 4
Recorded: 02/19/2008
Attorney Dkt #:PO9033/BMS061124
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOMMER, KNUT
Exec Dt:
01/15/2008
2
DUGAL, MARKUS
Exec Dt:
01/21/2008
3
SCHWARZ, IDO
Exec Dt:
01/23/2008
4
WERSHOFEN, STEFAN
Exec Dt:
01/16/2008
5
LEHNER, PETER
Exec Dt:
01/28/2008
6
SCHUBERT, STEPHAN
Exec Dt:
01/25/2008
7
BOWING, ALEXANDRA GROSSE
Exec Dt:
01/25/2008
Assignee
1
BAYER MATERIALSCIENCE AG
D 5168 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7488850
US20080139850
11982959
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 7
Reel/Frame:020614/0139   Pages: 13
Recorded: 03/03/2008
Conveyance: ASSIGNMENT CORRECTION*103483228A*
Assignors
1
SOMMER, KNUT
Exec Dt:
01/15/2008
2
DUGAL, MARKUS
Exec Dt:
01/21/2008
3
SCHWARZ, IDO
Exec Dt:
01/23/2008
4
WERSHOFEN, STEFAN
Exec Dt:
01/16/2008
5
LEHNER, PETER
Exec Dt:
01/28/2008
6
SCHUBERT, STEPHAN
Exec Dt:
01/25/2008
7
BOWING, ALEXANDRA GROSSE
Exec Dt:
01/25/2008
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7488850
US20080139850
11982959
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 8
Reel/Frame:020688/0298   Pages: 7
Recorded: 03/17/2008
Attorney Dkt #:PO9033/BMS061124
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE SEVENTH ASSIGNOR'S NAME, PREVIOUSLY RECORDED AT REEL 020614 FRAME 0139.
Assignors
1
SOMMER, KNUT
Exec Dt:
01/15/2008
2
DUGAL, MARKUS
Exec Dt:
01/21/2008
3
SCHWARZ, IDO
Exec Dt:
01/23/2008
4
WERSHOFEN, STEFAN
Exec Dt:
01/16/2008
5
LEHNER, PETER
Exec Dt:
01/28/2008
6
SCHUBERT, STEPHAN
Exec Dt:
01/25/2008
7
GROSSE-BOWING, ALEXANDRA
Exec Dt:
01/25/2008
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7488850
US20080139850
11982959
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:021858/0137   Pages: 4
Recorded: 11/17/2008
Attorney Dkt #:P09102/BMS071035
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOMMER, KNUT
Exec Dt:
09/12/2008
2
GEHLEN, FRANZ-ULRICH
Exec Dt:
10/22/2008
3
LEHNER, PETER
Exec Dt:
09/08/2008
4
DUEX, ANDRE
Exec Dt:
09/24/2008
5
MAROTZ, BENIE
Exec Dt:
11/03/2008
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8455691
US20090065347
12228722
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:024606/0871   Pages: 8
Recorded: 06/29/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOMMER, KNUT
Exec Dt:
05/10/2010
2
WILKE, KARL-HEINZ
Exec Dt:
05/25/2010
3
LEHNER, PETER
Exec Dt:
05/26/2010
4
GEHLEN, FRANZ-ULRICH
Exec Dt:
06/16/2010
5
MLECZKO, LESLAW
Exec Dt:
05/28/2010
6
SCHUBERT, STEPHAN
Exec Dt:
06/16/2010
7
BELLINGHAUSEN, RAINER
Exec Dt:
05/27/2010
8
HOFFMANN, HIZALER
Exec Dt:
06/10/2010
Assignee
1
BAYER MATERIALSCIENCE AG
51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100280271
12765953
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:024888/0418   Pages: 4
Recorded: 08/26/2010
Attorney Dkt #:BMS091129
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOMMER, KNUT
Exec Dt:
06/21/2010
2
LEHNER, PETER
Exec Dt:
06/30/2010
3
LAGO, ANDRE
Exec Dt:
06/28/2010
Assignee
1
BAYER MATERIALSCIENCE AG
51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100324336
12814536
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:030171/0395   Pages: 3
Recorded: 04/08/2013
Attorney Dkt #:22133-00027-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNAUF, THOMAS
Exec Dt:
01/03/2013
2
MERKEL, MICHAEL
Exec Dt:
01/08/2013
3
RAUSCH, ANDREAS KARL
Exec Dt:
01/16/2013
4
LEHNER, PETER
Exec Dt:
01/28/2013
5
MUENNIG, JUERGEN
Exec Dt:
01/08/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
CREATIVE CAMPUS MONHEIM
ALFRED-NOBEL-STR. 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130204043
13812690
Correspondence name and address
NOVAK DRUCE CONNOLLY BOVE + QUIGG LLP
P O BOX 2207
WILMINGTON, DE 19801
Assignment: 13
Reel/Frame:030014/0531   Pages: 8
Recorded: 03/15/2013
Attorney Dkt #:14069-00426-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KINTRUP, JUERGEN
Exec Dt:
01/06/2013
2
LEHNER, PETER
Exec Dt:
02/28/2013
3
JAKOBS, ERIC
Exec Dt:
01/22/2013
4
SOPPE, ALFRED
Exec Dt:
01/08/2013
5
WERNER, KNUD
Exec Dt:
01/17/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8765991
US20130144081
13690425
Correspondence name and address
CLAUDIA SCHULTZE
P O BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 14
Reel/Frame:032738/0939   Pages: 5
Recorded: 04/23/2014
Attorney Dkt #:BMS111113US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERKEL, MICHAEL
Exec Dt:
02/07/2014
2
WILKE, KARL-HEINZ
Exec Dt:
02/06/2014
3
LEHNER, PETER
Exec Dt:
02/12/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
40789 MONHEIM, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9266094
US20140309457
14240056
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 15
Reel/Frame:034108/0263   Pages: 8
Recorded: 11/05/2014
Attorney Dkt #:BMS121027
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERKEL, MICHAEL
Exec Dt:
09/03/2014
2
LEHNER, PETER
Exec Dt:
09/14/2014
3
MAHR, BASTIAN
Exec Dt:
09/03/2014
4
MOUSSA, AMGAD SALAH
Exec Dt:
09/03/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
40789 MONHEIM, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9447021
US20150080610
14385822
Correspondence name and address
BAYER MATERIAL SCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 16
Reel/Frame:045845/0743   Pages: 5
Recorded: 05/18/2018
Attorney Dkt #:BMS091174PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEHNER, PETER
Exec Dt:
03/22/2018
2
BRUNS, RAINER
Exec Dt:
11/20/2017
3
LORENZ, WOLFGANG
Exec Dt:
03/09/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10040753
US20180179149
15580012
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 17
Reel/Frame:048988/0423   Pages: 23
Recorded: 04/24/2019
Attorney Dkt #:074023-0817-584823
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTERMEIER, ANDRE
Exec Dt:
01/24/2019
2
HELLMICH, RAINER
Exec Dt:
01/31/2019
3
BITTNER, IRIS MANUELA
Exec Dt:
01/23/2019
4
STEFFENS, FRIEDHELM
Exec Dt:
02/07/2019
5
JAKOBS, ERIC
Exec Dt:
01/23/2019
6
SOPPE, ALFRED
Exec Dt:
01/31/2019
7
WU, LUYAN
Exec Dt:
02/16/2019
8
QIAN, MICKY
Exec Dt:
01/28/2019
9
LEHNER, PETER
Exec Dt:
02/19/2019
10
FINK, HENRIKE
Exec Dt:
01/22/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WLHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11267703
US20190194018
16312358
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 18
Reel/Frame:050121/0400   Pages: 23
Recorded: 03/11/2019
Attorney Dkt #:074023-0817-584823
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTERMEIER, ANDRE
Exec Dt:
01/24/2019
2
HELLMICH, RAINER
Exec Dt:
01/31/2019
3
BITTNER, IRIS MANUELA
Exec Dt:
01/23/2019
4
STEFFENS, FRIEDHELM
Exec Dt:
02/07/2019
5
JAKOBS, ERIC
Exec Dt:
01/23/2019
6
SOPPE, ALFRED
Exec Dt:
01/31/2019
7
WU, LUYAN
Exec Dt:
02/06/2019
8
QIAN, MICKY
Exec Dt:
01/28/2019
9
LEHNER, PETER
Exec Dt:
02/19/2019
10
FINK, HENRIKE
Exec Dt:
01/22/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11267703
US20190194018
16312358
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 19
Reel/Frame:051952/0061   Pages: 7
Recorded: 02/27/2020
Attorney Dkt #:2017P30210US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERKEL, MICHAEL
Exec Dt:
10/28/2019
2
STEFFENS, FRIEDHELM
Exec Dt:
10/23/2019
3
KALEM, MURAT
Exec Dt:
12/18/2019
4
LEHNER, PETER
Exec Dt:
10/28/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10889539
US20200123097
16654303
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 20
Reel/Frame:060503/0648   Pages: 15
Recorded: 07/14/2022
Attorney Dkt #:2019P30202WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERKEL, MICHAEL
Exec Dt:
01/17/2022
2
EHRIG, MARTIN
Exec Dt:
01/21/2022
3
KOBYLKA, MANFRED
Exec Dt:
01/17/2022
4
LEHNER, PETER
Exec Dt:
07/12/2022
5
LODDENKEMPER, TIM
Exec Dt:
01/17/2022
6
SCHIFFHAUER, MARTIN
Exec Dt:
03/31/2022
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220380303
17762520
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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