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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 : CHANG, JING-CHUNG
Total Assignments: 11
Assignment: 1
Reel/Frame:013441/0084   Pages: 2
Recorded: 02/21/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JING-CHUNG
Exec Dt:
01/13/2003
2
VAN TRUMP, JAMES E.
Exec Dt:
01/13/2003
3
KURIAN, JOSEPH V.
Exec Dt:
01/13/2003
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY
BARLEY MILL PLAZA 25
LEGAL PATENTS
WILMINGTON, DELAWARE 19880-0025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040099984
10301343
Correspondence name and address
E.I. DU PONT DE NEMOURS AND COMPANY
ROBERT B. FURR, JR.
BARLEY MILL PLAZA 25
LEGAL-PATENTS
WILMINGTON, DE 19880-0025
Assignment: 2
Reel/Frame:013873/0204   Pages: 2
Recorded: 08/13/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JING-CHUNG
Exec Dt:
06/18/2003
2
KURIAN, JOSEPH V.
Exec Dt:
06/16/2003
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
LEGAL PATENTS
BARLEY MILL PLAZA 25
WILMINGTON, DELAWARE 19880-0025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7052764
US20040121116
10459830
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
NANCY S. MAYER
LEGAL-PATENTS
BARLEY MILL PLAZA 25
WILMINGTON, DE 19880-0025
Assignment: 3
Reel/Frame:019981/0559   Pages: 3
Recorded: 10/18/2007
Attorney Dkt #:CL3587USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JING-CHUNG
Exec Dt:
09/13/2007
2
MCKEOWN, JOSEPH P.
Exec Dt:
09/13/2007
3
LIANG, YUANFENG
Exec Dt:
09/13/2007
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090043019
11834232
Correspondence name and address
CHEN WANG
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 4
Reel/Frame:019981/0562   Pages: 3
Recorded: 10/18/2007
Attorney Dkt #:CL3879USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JING-CHUNG
Exec Dt:
09/13/2007
2
LIANG, YUANFENG
Exec Dt:
09/13/2007
3
KURIAN, JOSEPH V.
Exec Dt:
09/17/2007
4
MCKEOWN, JOSEPH P.
Exec Dt:
09/13/2007
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7855244
US20090043020
11834248
Correspondence name and address
CHEN WANG
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 5
Reel/Frame:019981/0586   Pages: 3
Recorded: 10/18/2007
Attorney Dkt #:CL3880USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JING-CHUNG
Exec Dt:
09/13/2007
2
MCKEOWN, JOSEPH P.
Exec Dt:
09/13/2007
3
LIANG, YUANFENG
Exec Dt:
09/13/2007
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090043021
11834260
Correspondence name and address
CHEN WANG
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 6
Reel/Frame:019981/0666   Pages: 3
Recorded: 10/18/2007
Attorney Dkt #:CL3881USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JING-CHUNG
Exec Dt:
09/13/2007
2
MCKEOWN, JOSEPH P.
Exec Dt:
09/13/2007
3
JUNK, CHRISTOPHER P.
Exec Dt:
09/17/2007
4
PAGE, MATTHEW ARTHUR
Exec Dt:
09/18/2007
5
LIANG, YUANFENG
Exec Dt:
09/13/2007
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090043016
11834279
Correspondence name and address
CHEN WANG
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 7
Reel/Frame:019981/0698   Pages: 3
Recorded: 10/18/2007
Attorney Dkt #:CL3942USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JING-CHUNG
Exec Dt:
09/13/2007
2
MCKEOWN, JOSEPH P.
Exec Dt:
09/13/2007
3
JUNK, CHRISTOPHER P.
Exec Dt:
09/17/2007
4
PAGE, MATTHEW ARTHUR
Exec Dt:
09/18/2007
5
LIANG, YUANFENG
Exec Dt:
09/13/2007
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090043017
11834289
Correspondence name and address
CHEN WANG
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 8
Reel/Frame:022113/0043   Pages: 3
Recorded: 01/15/2009
Attorney Dkt #:CL4508USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMUELSON, HARRY VAUGH
Exec Dt:
12/18/2008
2
CHANG, JING-CHUNG
Exec Dt:
12/18/2008
3
SAMANT, KALIKA RANJAN
Exec Dt:
12/18/2008
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100159184
12338412
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 9
Reel/Frame:026413/0901   Pages: 3
Recorded: 06/09/2011
Attorney Dkt #:CL4508USCIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMUELSON, HARRY VAUGHN
Exec Dt:
12/10/2009
2
SAMANT, KALIKA RANJAN
Exec Dt:
12/10/2009
3
CHANG, JING-CHUNG
Exec Dt:
12/10/2009
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100159186
12638036
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 10
Reel/Frame:039436/0400   Pages: 8
Recorded: 08/15/2016
Attorney Dkt #:CL5079-US-NA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MESSMORE, BENJAMIN WEAVER
Exec Dt:
05/09/2011
2
ROLLIN, PAUL ELLIS, JR.
Exec Dt:
04/13/2011
3
CHANG, JING-CHUNG
Exec Dt:
05/09/2011
4
SAMANT, KALIKA RANJAN
Exec Dt:
05/09/2011
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
US20110311759
13108279
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
974 CENTRE ROAD
CHESTNUT RUN PLAZA 721/2340
WILMINGTON, DE 19805
Assignment: 11
Reel/Frame:026822/0922   Pages: 3
Recorded: 08/29/2011
Attorney Dkt #:CL5157USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JING-CHUNG
Exec Dt:
07/29/2011
2
MILLER, RAY W.
Exec Dt:
07/21/2011
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120282431
13187615
Correspondence name and address
GAIL D. TANZER
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809

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