skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : BURKHARDT, STEPHEN E.
Total Assignments: 8
Assignment: 1
Reel/Frame:033600/0684   Pages: 8
Recorded: 08/25/2014
Attorney Dkt #:CL6005USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURKHARDT, STEPHEN E.
Exec Dt:
06/13/2014
2
CHEN, XUDONG
Exec Dt:
06/25/2014
3
DUBOIS, CHARLES J.
Exec Dt:
06/12/2014
4
HOLSTEIN, WILLIAM L.
Exec Dt:
07/29/2014
5
KOURTAKIS, KOSTANTINOS
Exec Dt:
08/20/2014
6
ROELOFS, MARK GERRIT
Exec Dt:
06/20/2014
Assignee
1
E. I. DUPONT DE NEMOURS AND COMPANY
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10686220
US20140302401
14244968
Correspondence name and address
CAROL R. PERROTTO
974 CENTRE ROAD
CHESTNUT RUN PLAZA 721/2333
WILMINGTON, DE 19805
Assignment: 2
Reel/Frame:034042/0947   Pages: 6
Recorded: 10/27/2014
Attorney Dkt #:CL6102USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURKHARDT, STEPHEN E.
Exec Dt:
10/21/2014
2
KOURTAKIS, KOSTANTINOS
Exec Dt:
10/21/2014
3
ROELOFS, MARK GERRIT
Exec Dt:
10/23/2014
4
DUBOIS, CHARLES J.
Exec Dt:
10/21/2014
Assignee
1
E. I. DUPONT DE NEMOURS AND COMPANY
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160087307
14490785
Correspondence name and address
BRIAN J. MYERS
974 CENTRE ROAD
CHESTNUT RUN PLAZA 721/2333
WILMINGTON, DE 19805
Assignment: 3
Reel/Frame:036488/0128   Pages: 6
Recorded: 09/03/2015
Attorney Dkt #:CL6102-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURKHARDT, STEPHEN E.
Exec Dt:
10/21/2014
2
KOURTAKIS, KOSTANTINOS
Exec Dt:
10/21/2014
3
ROELOFS, MARK GERRIT
Exec Dt:
10/23/2014
4
DUBOIS, CHARLES J.
Exec Dt:
10/21/2014
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
CHESTNUT RUN PLAZA
974 CENTRE ROAD, P. O. BOX 2915
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160087307
14490785
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
974 CENTRE ROAD
CHESTNUT RUN PLAZA 721/2340
WILMINGTON, DE 19805
Assignment: 4
Reel/Frame:036854/0538   Pages: 6
Recorded: 10/22/2015
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FOX, PETER ANTHONY
Exec Dt:
09/10/2015
2
BURKHARDT, STEPHEN E.
Exec Dt:
09/10/2015
3
JUNK, CHRISTOPHER P.
Exec Dt:
09/10/2015
4
WANG, SHUHONG
Exec Dt:
09/16/2015
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
CHESTNUT RUN PLAZA
974 CENTRE ROAD, P. O. BOX 2915
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9908992
US20170088693
14866902
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
974 CENTRE ROAD
CHESTNUT RUN PLAZA 721/2340
WILMINGTON, DE 19805
Assignment: 5
Reel/Frame:060984/0401   Pages: 6
Recorded: 09/02/2022
Attorney Dkt #:17987-105002;17987-105001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURKHARDT, STEPHEN E.
Exec Dt:
08/01/2016
2
LIU, JUN J
Exec Dt:
08/01/2016
3
KIM, SANG-HWAN
Exec Dt:
08/01/2016
4
KOURTAKIS, KOSTANTINOS
Exec Dt:
08/09/2016
Assignee
1
E I DU PONT DE NEMOURS AND COMPANY
974 CENTRE ROAD, CHESTNUT RUN PLAZA
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11476502
US20190296398
16317918
Correspondence name and address
CARLYN A. BURTON
1100 LOUISIANA STREET, SUITE 4900
HOUSTON, TX 77002
Assignment: 6
Reel/Frame:041253/0473   Pages: 7
Recorded: 02/14/2017
Attorney Dkt #:17987/067001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURKHARDT, STEPHEN E.
Exec Dt:
11/10/2016
2
KOURTAKIS, KOSTANTINOS
Exec Dt:
11/10/2016
3
LIU, JUN J.
Exec Dt:
11/11/2016
4
ROELOFS, MARK GERRIT
Exec Dt:
11/11/2016
5
KIM, SANG-HWAN
Exec Dt:
11/10/2016
Assignee
1
E I DU PONT DE NEMOURS AND COMPANY
974 CENTRE RD
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10673096
US20170250445
15503794
Correspondence name and address
CARLYN A. BURTON
909 FANNIN
SUITE 3500
HOUSTON, TX 77010
Assignment: 7
Reel/Frame:045629/0888   Pages: 3
Recorded: 04/25/2018
Attorney Dkt #:CL6373-WO-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURKHARDT, STEPHEN E.
Exec Dt:
04/24/2018
2
MANZO, STEPHEN
Exec Dt:
04/24/2018
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
CHESTNUT RUN PLAZA
974 CENTRE ROAD, P.O. BOX 2915
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12046717
US20190058221
15770558
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
974 CENTRE ROAD
CHESTNUT RUN PLAZA 721/2340
WILMINGTON, DE 19805
Assignment: 8
Reel/Frame:046370/0574   Pages: 8
Recorded: 07/17/2018
Attorney Dkt #:DPT 2015/002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARTHUR, SAMUEL DAVID
Exec Dt:
04/24/2018
2
BURKHARDT, STEPHEN E.
Exec Dt:
04/24/2018
3
KOURTAKIS, KOSTANTINOS
Exec Dt:
04/30/2018
4
LIU, JUN J.
Exec Dt:
05/01/2018
5
LEVY-POLIS, BRIAN
Exec Dt:
04/25/2018
6
ROELOFS, MARK GERRIT
Exec Dt:
04/24/2018
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
CHESTNUT RUN PLAZA
974 CENTRE ROAD, P.O. BOX 2915
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11289738
US20180241086
15749807
Correspondence name and address
SOLVAY USA INC.
504 CARNEGIE CENTER
PRINCETON, NJ 08540

Search Results as of: 11/10/2024 12:51 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT