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 : CHENG, LAP-TAK ANDREW
Total Assignments: 26
Assignment: 1
Reel/Frame:006761/0825   Pages: 2
Recorded: 11/05/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERLEIN, JOHN DAVID
Exec Dt:
11/02/1993
2
CHENG, LAP KIN
Exec Dt:
11/02/1993
3
CHENG, LAP-TAK ANDREW
Exec Dt:
11/02/1993
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
LEGAL - PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5311352
NONE
07995439
Correspondence name and address
DAVID E. HEISER
E.I. DU PONT DE NEMOURS COMPANY
LEGAL - PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:008971/0611   Pages: 3
Recorded: 02/13/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POPPER, PETER
Exec Dt:
12/01/1997
2
AKKI, RASHI
Exec Dt:
12/21/1997
3
CHENG, LAP-TAK ANDREW
Exec Dt:
11/24/1997
4
COVELLI, CARMEN ANOISH
Exec Dt:
11/25/1997
5
HOJABR, SASSAN
Exec Dt:
01/12/1998
6
KODOKIAN, GEORGE KEVORK
Exec Dt:
11/21/1997
7
KUMAR, VIJAYENDRA
Exec Dt:
11/19/1997
8
ODLE, JAMES K.
Exec Dt:
11/14/1997
9
SAMANT, KALIKA RANJAN
Exec Dt:
11/21/1997
10
SHIBATA, CAROLINE TJHEN
Exec Dt:
12/11/1997
11
TUNG, WAE-HAI
Exec Dt:
02/04/1998
12
WEEKS, GREGORY PAUL
Exec Dt:
11/18/1997
13
YNGVE, PAUL WESLEY
Exec Dt:
11/14/1997
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5906877
NONE
08611115
Correspondence name and address
E.I. DU PONT DE NEMOURS AND COMPANY
GEORGE M. MEDWICK
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 3
Reel/Frame:012098/0779   Pages: 2
Recorded: 08/22/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOUCHARD, ROBERT JOSEPH
Exec Dt:
07/26/2001
2
CHENG, LAP-TAK ANDREW
Exec Dt:
08/01/2001
3
LAVIN, JOHN GERARD
Exec Dt:
08/11/2001
4
ROACH, DAVID HERBERT
Exec Dt:
08/01/2001
Assignee
1
E. I. DU PONT AND NEMOURS AND COMPANY
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7449081
US20020074932
09882719
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
WILLIAM JOSEPH COTREAU
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Assignment: 4
Reel/Frame:013873/0159   Pages: 2
Recorded: 08/13/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, LAP-TAK ANDREW
Exec Dt:
07/30/2003
2
ROACH, DAVID HERBERT
Exec Dt:
07/30/2003
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 #
 
 
 
 
 
 
 
 
 
 
 
7317277
US20040017141
10421107
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
JOHN A. LANGWORTHY
LEGAL-PATENTS
BARLEY MILL PLAZA 25
WILMINGTON, DE 19880-0025
Assignment: 5
Reel/Frame:014082/0103   Pages: 2
Recorded: 10/28/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOUCHARD, ROBERT JOSEPH
Exec Dt:
10/17/2003
2
HANG, KENNETH WARREN
Exec Dt:
10/21/2003
3
CHENG, LAP-TAK ANDREW
Exec Dt:
10/17/2003
4
ROACH, DAVID HERBERT
Exec Dt:
10/17/2003
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 #
 
 
 
 
 
 
 
 
 
 
 
7763189
US20040169166
10475212
Correspondence name and address
E.I. DU PONT DE NEMOURS AND COMPANY
BARBARA C. SIEGELL
BARLEY MILL PLAZA 25
LEGAL PATENTS
WILMINGTON, DE 19880-0025
Assignment: 6
Reel/Frame:015429/0467   Pages: 3
Recorded: 12/09/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, LAP-TAK ANDREW
Exec Dt:
09/27/2004
2
BEIKMOHAMADI, ALLAN
Exec Dt:
10/21/2004
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050032254
10887364
Correspondence name and address
BARBARA C. SIEGELL
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 7
Reel/Frame:016838/0675   Pages: 3
Recorded: 12/01/2005
Attorney Dkt #:CL1673USCNT1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOUCHARD, ROBERT JOSEPH
Exec Dt:
11/22/2005
2
ROACH, DAVID HERBERT
Exec Dt:
11/21/2005
3
CHENG, LAP-TAK ANDREW
Exec Dt:
11/02/2005
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
LEGAL-PATENTS
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8011990
US20060049741
11239309
Correspondence name and address
JOHN A. LANGWORTHY
4417 LANCASTER PIKE
LEGAL-PATENTS
WILMINGTON, DE 19805
Assignment: 8
Reel/Frame:021796/0837   Pages: 2
Recorded: 11/06/2008
Attorney Dkt #:CL4117USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, MING
Exec Dt:
10/14/2008
2
CHENG, LAP-TAK ANDREW
Exec Dt:
10/23/2008
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE
DUPONT LEGAL
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8252165
US20100044233
12196431
Correspondence name and address
JOHN LANGWORTHY
4417 LANCASTER PIKE
DUPONT LEGAL
WILMINGTON, DE 19805
Assignment: 9
Reel/Frame:022853/0698   Pages: 5
Recorded: 06/22/2009
Attorney Dkt #:EL0796USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, HAIXIN
Exec Dt:
05/15/2009
2
SUESS, TERRY ROLAND
Exec Dt:
05/15/2009
3
CHENG, LAP-TAK ANDREW
Exec Dt:
05/18/2009
4
WENG, CHIEN LUNG
Exec Dt:
05/18/2009
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 #
 
 
 
 
 
 
 
 
 
 
 
8002603
US20090284122
12468093
Correspondence name and address
BARBARA C. SIEGELL
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 10
Reel/Frame:023068/0604   Pages: 3
Recorded: 08/07/2009
Attorney Dkt #:CL3811USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENNIMORE, ADAM
Exec Dt:
07/29/2009
2
CHENG, LAP-TAK ANDREW
Exec Dt:
07/23/2009
3
ROACH, DAVID HERBERT
Exec Dt:
07/23/2009
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
US20100072879
12525696
Correspondence name and address
JOHN A. LANGWORTHY
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 11
Reel/Frame:023095/0055   Pages: 4
Recorded: 08/13/2009
Attorney Dkt #:CL3801USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, MING
Exec Dt:
07/24/2009
2
ROACH, DAVID HERBERT
Exec Dt:
07/23/2009
3
CHENG, LAP-TAK ANDREW
Exec Dt:
07/23/2009
4
MAHLER, WALTER
Exec Dt:
07/30/2009
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
US20090314647
12525699
Correspondence name and address
JOHN A. LANGWORTHY
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 12
Reel/Frame:024321/0890   Pages: 4
Recorded: 05/02/2010
Attorney Dkt #:CL3895USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENNIMORE, ADAM
Exec Dt:
03/02/2010
2
CHENG, LAP-TAK ANDREW
Exec Dt:
03/09/2010
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
US20100264805
12677577
Correspondence name and address
JOHN A. LANGWORTHY
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 13
Reel/Frame:024899/0175   Pages: 4
Recorded: 08/27/2010
Attorney Dkt #:CL4005USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, LAP-TAK ANDREW
Exec Dt:
05/21/2010
2
FENNIMORE, ADAM
Exec Dt:
04/26/2010
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE
LEGAL PRC; BMP25
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8269210
US20100252804
12744509
Correspondence name and address
JOHN A. LANGWORTHY
4417 LANCASTER PIKE
LEGAL PRC; BMP25
WILMINGTON, DE 19805
Assignment: 14
Reel/Frame:024899/0115   Pages: 2
Recorded: 08/27/2010
Attorney Dkt #:CL3680USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, LAP-TAK ANDREW
Exec Dt:
07/02/2010
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE
LEGAL PRC; BMP25
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8298034
US20100314989
12809687
Correspondence name and address
TOSHIFUMI FUJII
4417 LANCASTER PIKE
LEGAL PRC; BMP25
WILMINGTON, DE 19805
Assignment: 15
Reel/Frame:025876/0684   Pages: 3
Recorded: 03/01/2011
Attorney Dkt #:CL4733USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, LAP-TAK ANDREW
Exec Dt:
02/14/2011
2
CHENG, ZHE
Exec Dt:
02/23/2011
3
LAI, CHENG-YU
Exec Dt:
02/22/2011
4
LU, MEIJUN
Exec Dt:
02/23/2011
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
US20120180852
13005793
Correspondence name and address
LOIS A. SANTOPIETRO
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 16
Reel/Frame:027070/0050   Pages: 3
Recorded: 10/17/2011
Attorney Dkt #:CL4599USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, LAP-TAK ANDREW
Exec Dt:
09/20/2011
2
LU, MEIJUN
Exec Dt:
09/20/2011
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 #
 
 
 
 
 
 
 
 
 
 
 
8592248
US20120122270
13239854
Correspondence name and address
LOIS A. SANTPIETRO
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 17
Reel/Frame:027070/0058   Pages: 3
Recorded: 10/17/2011
Attorney Dkt #:CL4601USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, LAP-TAK ANDREW
Exec Dt:
09/20/2011
2
LU, MEIJUN
Exec Dt:
09/20/2011
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
US20120122271
13239893
Correspondence name and address
LOIS A. SANTPIETRO
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 18
Reel/Frame:027762/0972   Pages: 3
Recorded: 02/25/2012
Attorney Dkt #:CL5230USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, MEIJUN
Exec Dt:
01/11/2012
2
CHENG, LAP-TAK ANDREW
Exec Dt:
01/10/2012
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
US20120295393
13297655
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 19
Reel/Frame:027763/0546   Pages: 3
Recorded: 02/26/2012
Attorney Dkt #:CL5232USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, MEIJUN
Exec Dt:
01/11/2012
2
CHENG, LAP-TAK ANDREW
Exec Dt:
01/10/2012
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
US20120295395
13297700
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 20
Reel/Frame:027763/0549   Pages: 3
Recorded: 02/26/2012
Attorney Dkt #:CL5231USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, MEIJUN
Exec Dt:
01/11/2012
2
CHENG, LAP-TAK ANDREW
Exec Dt:
01/10/2012
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
US20120291836
13297673
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 21
Reel/Frame:027763/0552   Pages: 3
Recorded: 02/26/2012
Attorney Dkt #:CL5233USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, MEIJUN
Exec Dt:
01/11/2012
2
CHENG, LAP-TAK ANDREW
Exec Dt:
01/10/2012
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
US20120318321
13297717
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 22
Reel/Frame:027763/0555   Pages: 3
Recorded: 02/26/2012
Attorney Dkt #:CL5112USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, MEIJUN
Exec Dt:
01/11/2012
2
CHENG, LAP-TAK ANDREW
Exec Dt:
01/10/2012
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
US20120298168
13297577
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 23
Reel/Frame:027763/0558   Pages: 3
Recorded: 02/26/2012
Attorney Dkt #:CL5114USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, MEIJUN
Exec Dt:
01/11/2012
2
CHENG, LAP-TAK ANDREW
Exec Dt:
01/10/2012
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
US20120291835
13297619
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 24
Reel/Frame:027763/0561   Pages: 3
Recorded: 02/26/2012
Attorney Dkt #:CL5113USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, MEIJUN
Exec Dt:
01/11/2012
2
CHENG, LAP-TAK ANDREW
Exec Dt:
01/10/2012
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 #
 
 
 
 
 
 
 
 
 
 
 
8460964
US20120295392
13297601
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 25
Reel/Frame:027763/0564   Pages: 3
Recorded: 02/26/2012
Attorney Dkt #:CL4618USNA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, MEIJUN
Exec Dt:
01/11/2012
2
CHENG, LAP-TAK ANDREW
Exec Dt:
01/10/2012
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 #
 
 
 
 
 
 
 
 
 
 
 
8563347
US20120295387
13297563
Correspondence name and address
GEORGE M. MEDWICK
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19809
Assignment: 26
Reel/Frame:028557/0948   Pages: 2
Recorded: 07/16/2012
Attorney Dkt #:CL4980USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, LAP-TAK ANDREW
Exec Dt:
07/03/2012
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DELAWARE 19805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8647910
US20130137210
13522035
Correspondence name and address
THOMAS W. GORMAN
4417 LANCASTER PIKE
BARLEY MILL PLAZA 25
WILMINGTON, DE 19805

Search Results as of: 05/01/2024 01:18 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