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Patent Assignment Assignor Details
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Assignor Name : JEFFRIES, MICHAEL K.
Total Assignments: 20
Assignment: 1
Reel/Frame:008484/0725   Pages: 2
Recorded: 03/27/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VENHAM, LANNY D.
Exec Dt:
03/25/1997
2
MASON, ARTHUR W.
Exec Dt:
03/25/1997
3
JEFFRIES, MICHAEL K.
Exec Dt:
03/25/1997
4
DVORCHAK, MICHAEL J.
Exec Dt:
03/25/1997
Assignee
1
BAYER CORPORATION
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5739251
NONE
08826262
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 2
Reel/Frame:008740/0488   Pages: 3
Recorded: 10/17/1997
Conveyance: A CORRECTIVE ASSIGNMENT, TO CORRECT THE ASSIGNOR, PREVIOUSLY RECORDED ON REEL 8684 FRAME 0533.
Assignors
1
VENHAM, LANNY D.
Exec Dt:
08/15/1997
2
MASON, ARTHUR W.
Exec Dt:
08/15/1997
3
JEFFRIES, MICHAEL K.
Exec Dt:
08/15/1997
4
DVORCHAK, MICHAEL J.
Exec Dt:
08/20/1997
Assignee
1
ROY, THOMAS W.
BAYER CORPORATION, PATENT DEPT.
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5767220
NONE
08917797
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:031580/0497   Pages: 6
Recorded: 11/05/2013
Attorney Dkt #:MO4707
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE PREVIOUSLY RECORDED ON REEL 008740 FRAME 0488. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECTION OF THE ASSIGNEE FROM THOMAS W. ROY TO BAYER CORPORATION.
Assignors
1
VENHAM, LANNY D.
Exec Dt:
08/15/1997
2
MASON, ARTHUR W.
Exec Dt:
08/15/1997
3
JEFFRIES, MICHAEL K.
Exec Dt:
08/15/1997
4
DVORCHAK, MICHAEL J.
Exec Dt:
08/20/1997
Assignee
1
BAYER CORPORATION
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5767220
NONE
08917797
Correspondence name and address
BAYER CORPORATION
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:008915/0554   Pages: 2
Recorded: 12/22/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VENHAM, LANNY D.
Exec Dt:
12/18/1997
2
ROSTHAUSER, JAMES W.
Exec Dt:
12/18/1997
3
JEFFRIES, MICHAEL K.
Exec Dt:
12/19/1997
Assignee
1
BAYER CORPORATION
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5939547
NONE
08996067
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:014652/0839   Pages: 4
Recorded: 10/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRACE, SCOTT A.
Exec Dt:
10/01/2003
2
DVORCHAK, MICHAEL J.
Exec Dt:
10/01/2003
3
ROESLER, RICHARD R.
Exec Dt:
10/01/2003
4
PETHIYAGODA, DINESH
Exec Dt:
10/01/2003
5
JEFFRIES, MICHAEL K.
Exec Dt:
10/01/2003
6
WEIKARD, JAN
Exec Dt:
10/13/2003
Assignees
1
BAYER POLYMERS LLC
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PENNSYLVANIA 15205-9741
2
BAYER AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7144955
US20050090620
10694107
Correspondence name and address
BAYER POLYMERS LLC
JOSEPH C. GIL
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:016965/0960   Pages: 4
Recorded: 09/12/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VENHAM, LANNY D.
Exec Dt:
11/08/2004
2
MARTIN, KYLI
Exec Dt:
11/10/2004
3
ROESLER, RICHARD R.
Exec Dt:
11/15/2004
4
SHAFFER, MYRON W.
Exec Dt:
11/08/2004
5
JEFFRIES, MICHAEL K.
Exec Dt:
11/08/2004
Assignee
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7371807
US20060089479
10970740
Correspondence name and address
JOSEPH C. GIL
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 7
Reel/Frame:016451/0694   Pages: 2
Recorded: 03/31/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIELINSKI, DAVID P.
Exec Dt:
03/28/2005
2
SHAFFER, MYRON
Exec Dt:
03/29/2005
3
JEFFRIES, MICHAEL K.
Exec Dt:
03/24/2005
Assignee
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060223968
11096403
Correspondence name and address
DEBRA ANDERSON, BAYER MATERIAL
SCIENCE LLC
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 8
Reel/Frame:020224/0397   Pages: 4
Recorded: 11/29/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHAFFER, MYRON W.
Exec Dt:
11/28/2007
2
JEFFRIES, MICHAEL K.
Exec Dt:
11/28/2007
3
ZIELINSKI, DAVID P.
Exec Dt:
11/28/2007
Assignee
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8415471
US20090143559
11998383
Correspondence name and address
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:020552/0534   Pages: 4
Recorded: 02/19/2008
Attorney Dkt #:PO9082/MD07-94
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUBRAMANIAN, RAMESH
Exec Dt:
01/24/2008
2
BEST, KURT E.
Exec Dt:
02/01/2008
3
GAMBINO, CHARLES A.
Exec Dt:
02/01/2008
4
MEBANE, CHRISTINE M.
Exec Dt:
02/01/2008
5
JEFFRIES, MICHAEL K.
Exec Dt:
02/01/2008
6
SHAFFER, MYRON W.
Exec Dt:
02/01/2008
7
DVORCHAK, MICHAEL J.
Exec Dt:
02/01/2008
Assignee
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090176907
12008084
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:023295/0651   Pages: 4
Recorded: 09/29/2009
Attorney Dkt #:BMS092029/MD08-39
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEST, KURT E.
Exec Dt:
09/21/2009
2
JEFFRIES, MICHAEL K.
Exec Dt:
09/21/2009
3
OLSON, AHREN
Exec Dt:
09/21/2009
4
ANGELOFF, CARL
Exec Dt:
09/21/2009
Assignee
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8765900
US20110054141
12548490
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:030371/0764   Pages: 5
Recorded: 05/08/2013
Attorney Dkt #:BMS092035US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEST, KURT E.
Exec Dt:
04/24/2013
2
FORSYTHE, JOHN P.
Exec Dt:
04/24/2013
3
KLEER, JOSEPH R.
Exec Dt:
04/24/2013
4
JEFFRIES, MICHAEL K.
Exec Dt:
05/03/2013
Assignee
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130203934
13639923
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:030922/0439   Pages: 4
Recorded: 08/01/2013
Attorney Dkt #:BMS122036/MD12-11
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUDSON, KEVAN
Exec Dt:
07/23/2013
2
DORMISH, JEFFREY F.
Exec Dt:
07/30/2013
3
JEFFRIES, MICHAEL K.
Exec Dt:
07/30/2013
Assignee
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10640702
US20150034314
13956532
Correspondence name and address
BAYER MATERIAL SCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 13
Reel/Frame:031807/0294   Pages: 4
Recorded: 12/18/2013
Attorney Dkt #:BMS132047/MD13-12
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIELINSKI, DAVID P.
Exec Dt:
12/16/2013
2
EKIN, ABDULLAH
Exec Dt:
12/12/2013
3
JEFFRIES, MICHAEL K.
Exec Dt:
12/12/2013
Assignee
1
BAYER MATERIALSICENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10000686
US20150166872
14132236
Correspondence name and address
BAYER MATERIAL SCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 14
Reel/Frame:036924/0201   Pages: 3
Recorded: 10/30/2015
Attorney Dkt #:BMS152010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIELINSKI, DAVID P.
Exec Dt:
10/29/2015
2
JEFFRIES, MICHAEL K.
Exec Dt:
10/29/2015
Assignee
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9815739
US20170121225
14928108
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 15
Reel/Frame:045264/0122   Pages: 3
Recorded: 03/19/2018
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIELINSKI, DAVID P.
Exec Dt:
03/14/2018
2
JEFFRIES, MICHAEL K.
Exec Dt:
03/15/2018
Assignee
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190055454
15760337
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 16
Reel/Frame:045901/0330   Pages: 3
Recorded: 05/25/2018
Attorney Dkt #:COV172010US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIELINSKI, DAVID P.
Exec Dt:
05/16/2018
2
JEFFRIES, MICHAEL K.
Exec Dt:
05/14/2018
Assignee
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180346786
15989289
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 17
Reel/Frame:046226/0968   Pages: 5
Recorded: 06/28/2018
Attorney Dkt #:COV172017USC01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOLDFEIN, STEPHANIE
Exec Dt:
06/14/2018
2
NAKAO, MAKOTO
Exec Dt:
06/15/2018
3
GINDIN, LYUBOV
Exec Dt:
06/13/2018
4
KONITSNEY, RONALD
Exec Dt:
06/13/2018
5
HENDERSON, DERICK
Exec Dt:
06/17/2018
6
KASARDO, TINA
Exec Dt:
06/13/2018
7
JONES, PHILIP
Exec Dt:
06/14/2018
8
JEFFRIES, MICHAEL K.
Exec Dt:
06/14/2018
9
GRABLOWITZ, HANS GEORG
Exec Dt:
06/14/2018
Assignees
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
2
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11028296
US20190040291
15948263
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 18
Reel/Frame:052389/0316   Pages: 7
Recorded: 04/14/2020
Attorney Dkt #:2018P30353US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEWART, MATTHEW
Exec Dt:
10/08/2019
2
PIERCE, JOSEPH
Exec Dt:
10/08/2019
3
GUSTAVICH, WENDY S.
Exec Dt:
10/22/2019
4
JEFFRIES, MICHAEL K.
Exec Dt:
10/08/2019
5
WADE, ROBERT A.
Exec Dt:
10/11/2019
6
SHAFFER, MYRON W.
Exec Dt:
10/08/2019
Assignee
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11827788
US20210102064
16594357
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 19
Reel/Frame:055001/0945   Pages: 11
Recorded: 01/22/2021
Attorney Dkt #:2019P30100US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEWART, MATTHEW
Exec Dt:
01/20/2020
2
PIERCE, JOSEPH
Exec Dt:
01/27/2020
3
JEFFRIES, MICHAEL K.
Exec Dt:
01/21/2020
4
GUSTAVICH, WENDY S.
Exec Dt:
01/21/2020
5
GAMBINO, CHARLES A.
Exec Dt:
01/20/2020
6
BRADBURN, ANDREW
Exec Dt:
01/24/2020
7
WADE, ROBERT A.
Exec Dt:
01/20/2020
8
SHAFFER, MYRON W.
Exec Dt:
01/21/2020
Assignee
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210230365
17155731
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 20
Reel/Frame:052035/0048   Pages: 4
Recorded: 03/06/2020
Attorney Dkt #:2017P30284WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIELINSKI, DAVID P.
Exec Dt:
03/03/2020
2
JEFFRIES, MICHAEL K.
Exec Dt:
02/12/2020
3
MAXIN, AMY
Exec Dt:
02/12/2020
Assignee
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200190390
16638297
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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