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Patent Assignment Assignor Details
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Assignor Name : MITRA, AMITABHA
Total Assignments: 19
Assignment: 1
Reel/Frame:015406/0020   Pages: 3
Recorded: 06/07/2004
Attorney Dkt #:bls-100us
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
05/20/2004
2
KARPOWICZ, JOHN
Exec Dt:
02/17/2004
3
RADL, CHRISTOPHER L.
Exec Dt:
02/17/2004
4
TIMM, JACOB L.
Exec Dt:
02/18/2004
5
MITRA, AMITABHA
Exec Dt:
05/18/2004
Assignee
1
BOEHRINGER LABORATORIES, INC.
500 E. WASHINGTON STREET
NORRISTOWN, PENNSYLVANIA 19401
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040193187
10762884
Correspondence name and address
RATNERPRESTIA
JACQUES L. ETKOWICZ
P.O. BOX 980
VALLEY FORGE, PA 19482-0980
Assignment: 2
Reel/Frame:015967/0474   Pages: 3
Recorded: 11/04/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
11/04/2004
2
KARPOWICZ, JOHN
Exec Dt:
11/03/2004
3
MITRA, AMITABHA
Exec Dt:
11/03/2004
4
RADL, CHRISTOPHER L.
Exec Dt:
11/03/2004
Assignee
1
BOEHRINGER LABORATORIES, INC.
500 E. WASHINGTON STREET
NORRISTOWN, PENNSYLVANIA 19401
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7754937
US20050209574
10981119
Correspondence name and address
RATNERPRESTIA
JACQUES L. ETKOWICZ
ONE WESTLAKES BERWY, P.O. BOX 980
VALLEY FORGE, PA 19482-0980
Assignment: 3
Reel/Frame:024698/0703   Pages: 4
Recorded: 07/16/2010
Attorney Dkt #:B1256/20094
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
11/04/2004
2
KARPOWICZ, JOHN
Exec Dt:
11/03/2004
3
MITRA, AMITABHA
Exec Dt:
11/03/2004
4
RADL, CHRISTOPHER L.
Exec Dt:
11/03/2004
Assignee
1
BOEHRINGER LABORATORIES, INC.
300 THOMS DRIVE
PHOENIXVILLE, PENNSYLVANIA 19460
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8500704
US20100318046
12824650
Correspondence name and address
CAESAR, RIVISE ET AL.
1635 MARKET STREET
11TH FLOOR
PHILADELPHIA, PA 19103-2212
Assignment: 4
Reel/Frame:030914/0852   Pages: 4
Recorded: 07/31/2013
Attorney Dkt #:B1256/20120
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
11/04/2004
2
KARPOWICZ, JOHN
Exec Dt:
11/03/2004
3
MITRA, AMITABHA
Exec Dt:
11/03/2004
4
RADL, CHRISTOPHER L.
Exec Dt:
11/03/2004
Assignee
1
BOEHRINGER LABORATORIES
300 THOMS DRIVE
PHOENIXVILLE, PENNSYLVANIA 19460
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130296815
13934773
Correspondence name and address
GARY A. GREENE
1635 MARKET STREET
12TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 5
Reel/Frame:016017/0358   Pages: 3
Recorded: 04/06/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
03/29/2005
2
KARPOWICZ, JOHN
Exec Dt:
03/15/2005
3
MITRA, AMITABHA
Exec Dt:
03/15/2005
4
RADL, CHRISTOPHER L.
Exec Dt:
03/15/2005
Assignee
1
BOEHRINGER LABORATORIES, INC.
500 E. WASHINGTON STREET
NORRISTOWN, PENNSYLVANIA 19401
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7884258
US20050228329
10982346
Correspondence name and address
JACQUES L. ETKOWICZ
RATNERPRESTIA
P.O. BOX 980
VALLEY FORGE, PA 19482-0980
Assignment: 6
Reel/Frame:023115/0335   Pages: 4
Recorded: 08/19/2009
Attorney Dkt #:B1256/20081
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
03/29/2005
2
KARPOWICZ, JOHN
Exec Dt:
03/15/2005
3
MITRA, AMITABHA
Exec Dt:
03/15/2005
4
RADL, CHRISTOPHER L.
Exec Dt:
03/15/2005
Assignee
1
BOEHRINGER LABORATORIES, INC.
500 E. WASHINGTON STREET
NORRISTOWN, PENNSYLVANIA 19401
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8022266
US20090287129
12469332
Correspondence name and address
CAESAR, RIVISE, ET AL.
1635 MARKET STREET
11TH FLOOR-SEVEN PENN CENTER
PHILADELPHIA, PA 19103-2212
Assignment: 7
Reel/Frame:031000/0746   Pages: 4
Recorded: 08/13/2013
Attorney Dkt #:B1256/20117
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
03/29/2005
2
KARPOWICZ, JOHN
Exec Dt:
03/15/2005
3
MITRA, AMITABHA
Exec Dt:
03/15/2005
4
RADL, CHRISTOPHER L.
Exec Dt:
03/15/2005
Assignee
1
BOEHRINGER LABORATORIES, INC.
500 E. WASHINGTON STREET
NORRISTOWN, PENNSYLVANIA 19401
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8710290
US20120277646
13541896
Correspondence name and address
DAVID M. TENER
1635 MARKET STREET
12TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 8
Reel/Frame:032687/0035   Pages: 3
Recorded: 04/16/2014
Attorney Dkt #:B1256/20121
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
03/29/2005
2
KARPOWICZ, JOHN
Exec Dt:
03/15/2005
3
MITRA, AMITABHA
Exec Dt:
03/15/2005
4
RADL, CHRISTOPHER L.
Exec Dt:
03/15/2005
Assignee
1
BOEHRINGER LABORATORIES, INC.
500 E. WASHINGTON STREET
NORRISTOWN, PENNSYLVANIA 19401
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140228790
14253537
Correspondence name and address
DAVID M. TENER
1635 MARKET STREET
12TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 9
Reel/Frame:019736/0364   Pages: 4
Recorded: 08/16/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
07/13/2007
2
KARPOWICZ, JOHN
Exec Dt:
07/13/2007
3
MITRA, AMITABHA
Exec Dt:
07/13/2007
4
RADL, CHRISTOPHER L.
Exec Dt:
07/13/2007
Assignee
1
BOEHRINGER TECHNOLOGIES, LP, A DELAWARE CORPORATION
P.O. BOX 960
NORRISTOWN, PENNSYLVANIA 19401
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7951124
US20080177253
11825397
Correspondence name and address
LARRY S. ZELSON, ESQ.
DRINKER BIDDLE & REATH, LLP
ONE LOGAN SQUARE
18TH AND CHERRY STREETS
PHILADELPHIA, PA 19103
Assignment: 10
Reel/Frame:026228/0949   Pages: 4
Recorded: 05/05/2011
Attorney Dkt #:B1256/20111
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOEHRINGER, JOHN R.
Exec Dt:
07/13/2007
2
KARPOWICZ, JOHN
Exec Dt:
07/13/2007
3
MITRA, AMITABHA
Exec Dt:
07/25/2007
4
RADL, CHRISTOPHER L.
Exec Dt:
07/13/2007
Assignee
1
BOEHRINGER TECHNOLOGIES, LP
300 THOMS DRIVE
PHOENIXVILLE, PENNSYLVANIA 19460
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110270202
13100531
Correspondence name and address
CAESAR, RIVISE ET AL.
1635 MARKET STREET
11TH FLOOR
PHILADELPHIA, PA 19103-2212
Assignment: 11
Reel/Frame:029728/0889   Pages: 4
Recorded: 01/31/2013
Attorney Dkt #:WSIL 0234 PUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROY, AROOP K
Exec Dt:
01/23/2013
2
MITRA, AMITABHA
Exec Dt:
01/15/2013
3
COFFEY, MICHAEL L
Exec Dt:
01/30/2013
Assignee
1
WACKER CHEMICAL CORPORATION
3301 SUTTON ROAD
ADRIAN, MICHIGAN 49221
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9051434
US20140212368
13755135
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 12
Reel/Frame:031939/0430   Pages: 4
Recorded: 01/10/2014
Attorney Dkt #:WSIL 0248 PUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MITRA, AMITABHA
Exec Dt:
01/10/2014
2
COFFEY, MICHAEL
Exec Dt:
01/10/2014
3
KLINGLER, CHRISTINE
Exec Dt:
01/10/2014
Assignee
1
WACKER CHEMICAL CORPORATION
3301 SUTTON ROAD
ADRIAN, MICHIGAN 49221
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9452127
US20150196481
14152165
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 13
Reel/Frame:036670/0473   Pages: 4
Recorded: 09/28/2015
Attorney Dkt #:WSIL0259PUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MITRA, AMITABHA
Exec Dt:
09/15/2015
2
BECKER, RICHARD
Exec Dt:
09/17/2015
3
RICHARDS, JOHN
Exec Dt:
09/15/2015
4
WHITTON, MARGARET
Exec Dt:
09/15/2015
Assignee
1
WACKER CHEMICAL CORPORATION
3301 SUTTON ROAD
ADRIAN, MICHIGAN 49221
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9815003
US20170087483
14867499
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 14
Reel/Frame:052934/0328   Pages: 5
Recorded: 06/14/2020
Attorney Dkt #:WS11701
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MITRA, AMITABHA
Exec Dt:
11/09/2017
2
WHITTON, MARGARET
Exec Dt:
11/09/2017
3
GRIMM, CHELSEA
Exec Dt:
11/09/2017
Assignee
1
WACKER CHEMIE AG
HANNS-SEIDEL-PLATZ 4
MUNICH, GERMANY 81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11414522
US20200377664
15733112
Correspondence name and address
WACKER
600 S. WAGNER RD
MARK M. HAMILTON
ANN ARBOR, MI 48103
Assignment: 15
Reel/Frame:056698/0310   Pages: 8
Recorded: 06/29/2021
Attorney Dkt #:WSILN0110PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MITRA, AMITABHA
Exec Dt:
01/18/2019
2
BURKE, SARAH
Exec Dt:
01/18/2019
3
GRIMM, CHELSEA
Exec Dt:
01/18/2019
4
HARTMAN, CHRISTIAN
Exec Dt:
01/18/2019
5
WANG, FENG
Exec Dt:
01/21/2019
6
WHITTON, MARGARET
Exec Dt:
01/18/2019
Assignee
1
WACKER CHEMIE AG
HANNS-SEIDEL-PLATZ 4
MUNICH, GERMANY 81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220089873
17419323
Correspondence name and address
BROOKS KUSHMAN
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48075
Assignment: 16
Reel/Frame:055392/0513   Pages: 3
Recorded: 02/24/2021
Attorney Dkt #:P201908455US01 (M2523)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE, RADHA MOHAN
Exec Dt:
02/24/2021
2
MITRA, AMITABHA
Exec Dt:
02/24/2021
3
DUTTA, ADITYA PRASAD
Exec Dt:
02/24/2021
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220270109
17183892
Correspondence name and address
TUTUNJIAN & BITETTO, P.C.
401 BROADHOLLOW ROAD
SUITE 402
MELVILLE, NY 11747
Assignment: 17
Reel/Frame:057348/0081   Pages: 5
Recorded: 08/31/2021
Attorney Dkt #:WS12002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MITRA, AMITABHA
Exec Dt:
08/31/2021
2
GUTMAN, MEGAN
Exec Dt:
08/31/2021
3
ZAREMBSKI, MEGAN
Exec Dt:
08/31/2021
4
KOCH, JOHANNA
Exec Dt:
08/31/2021
5
HOLLINGSWORTH, RYAN
Exec Dt:
08/31/2021
Assignee
1
WACKER CHEMIE AG
HANNS-SEIDEL-PLATZ 4
MUNICH, GERMANY 81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220062193
17460820
Correspondence name and address
MARK M. HAMILTON
600 S. WAGNER ROAD
ANN ARBOR, MI 48103
Assignment: 18
Reel/Frame:060188/0485   Pages: 7
Recorded: 06/14/2022
Attorney Dkt #:WS11901
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MITRA, AMITABHA
Exec Dt:
04/26/2022
2
BURKE, SARAH
Exec Dt:
04/29/2022
3
CALIMENTE, DANIEL
Exec Dt:
04/26/2022
4
HWANG, DANIEL
Exec Dt:
05/02/2022
5
SANDMEYER, FRANK
Exec Dt:
04/27/2022
Assignee
1
WACKER CHEMIE AG
HANNS-SEIDEL-PLATZ 4
MUNICH, GERMANY 81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220372195
17785077
Correspondence name and address
DONOVAN A. RUNKLE
4950 S STATE ROAD
ANN ARBOR, MI 48108
Assignment: 19
Reel/Frame:061572/0690   Pages: 3
Recorded: 10/27/2022
Attorney Dkt #:P202201478US01_8150-1102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE, RADHA MOHAN
Exec Dt:
10/26/2022
2
NANDY, SOUMYA
Exec Dt:
10/26/2022
3
MITRA, AMITABHA
Exec Dt:
10/26/2022
Assignee
1
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240144144
17975571
Correspondence name and address
CUENOT, FORSYTHE & KIM, LLC
20283 STATE ROAD 7
SUITE 300
BOCA RATON, FL 33498

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