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Patent Assignment Assignor Details
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Assignor Name : CHENG, STEPHEN YAU-SANG
Total Assignments: 11
Assignment: 1
Reel/Frame:025566/0205   Pages: 3
Recorded: 12/30/2010
Attorney Dkt #:TLC-025
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, STEPHEN YAU-SANG
Exec Dt:
01/07/2010
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BLDG., NO. 8 SCIENCE PARK W. AVE., HONG KONG SCIENCE PARK
PAK SHEK KOK, N.T., HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110159280
12980550
Correspondence name and address
DUGAN & DUGAN, PC
245 SAW MILL RIVER RD., SUITE 309
BRIAN M. DUGAN
HAWTHORNE, NY 10532
Assignment: 2
Reel/Frame:025156/0056   Pages: 3
Recorded: 10/19/2010
Attorney Dkt #:TWT01530/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, STEPHEN YAU-SANG
Exec Dt:
10/14/2010
2
LEUNG, KA-LOK
Exec Dt:
10/14/2010
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BUILDING, NO. 8 SCIENCE PARK WEST AVENUE, HONG KONG SCIENCE PARK, PAK SHEK KOK, N.T.
HONG KONG, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120090778
12906150
Correspondence name and address
CKC & PARTNERS CO., LTD.
12TH FLOOR, RUTTONJEE HOUSE 11 DUDDELL
STREET
HONG KONG, HONG KONG
Assignment: 3
Reel/Frame:026510/0386   Pages: 3
Recorded: 06/28/2011
Attorney Dkt #:TWT01764/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, STEPHEN YAU-SANG
Exec Dt:
10/21/2010
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BUILDING, NO. 8 SCIENCE PARK WEST AVENUE, HONG KONG SCIENCE PARK, PAK SHEK KOK, N.T.
HONG KONG, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110308577
13164774
Correspondence name and address
CKC & PARTNERS CO., LTD.
12TH FLOOR, RUTTONJEE HOUSE 11 DUDDELL
STREET
HONG KONG, HONG KONG
Assignment: 4
Reel/Frame:026661/0052   Pages: 3
Recorded: 07/27/2011
Attorney Dkt #:TWT01805/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, STEPHEN YAU-SANG
Exec Dt:
10/21/2010
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BUILDING, NO. 8 SCIENCE PARK WEST AVENUE, HONG KONG SCIENCE PARK, PAK SHEK KOK, N.T.
HONG KONG, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120037213
13190497
Correspondence name and address
CKC & PARTNERS CO., LTD.
12TH FLOOR, RUTTONJEE HOUSE 11 DUDDELL
STREET
HONG KONG, HONG KONG
Assignment: 5
Reel/Frame:026697/0860   Pages: 3
Recorded: 08/04/2011
Attorney Dkt #:TWT01807/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, STEPHEN YAU-SANG
Exec Dt:
10/21/2010
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BUILDING, NO. 8 SCIENCE PARK WEST AVENUE, HONG KONG SCIENCE PARK, PAK SHEK KOK, N.T.
HONG KONG, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120042943
13191481
Correspondence name and address
CKC & PARTNERS CO., LTD.
12TH FLOOR, RUTTONJEE HOUSE 11 DUDDELL
STREET
HONG KONG, HONG KONG
Assignment: 6
Reel/Frame:026220/0170   Pages: 5
Recorded: 05/04/2011
Attorney Dkt #:TWT01727/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, STEPHEN YAU-SANG
Exec Dt:
05/02/2011
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BUILDING, NO. 8 SCIENCE PARK WEST AVENUE, HONG KONG SCIENCE PARK, PAK SHEK KOK, N.T.
HONG KONG, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110272025
13099379
Correspondence name and address
CKC & PARTNERS CO., LTD.
12TH FLOOR, RUTTONJEE HOUSE 11 DUDDELL
STREET
HONG KONG, HONG KONG
Assignment: 7
Reel/Frame:026241/0400   Pages: 3
Recorded: 05/08/2011
Attorney Dkt #:TWT01731/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, STEPHEN YAU-SANG
Exec Dt:
05/05/2011
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BUILDING, NO. 8 SCIENCE PARK WEST AVENUE, HONG KONG SCIENCE PARK, PAK SHEK KOK, N.T.
HONG KONG, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110272005
13102065
Correspondence name and address
CKC & PARTNERS CO., LTD.
12TH FLOOR, RUTTONJEE HOUSE 11 DUDDELL
STREET
HONG KONG, HONG KONG
Assignment: 8
Reel/Frame:026249/0470   Pages: 3
Recorded: 05/10/2011
Attorney Dkt #:TWT01730/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, STEPHEN YAU-SANG
Exec Dt:
05/05/2011
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BUILDING, NO. 8 SCIENCE PARK WEST AVENUE, HONG KONG SCIENCE PARK, PAK SHEK KOK, N.T.
HONG KONG, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110277821
13102064
Correspondence name and address
CKC & PARTNERS CO., LTD.
12TH FLOOR, RUTTONJEE HOUSE 11 DUDDELL
STREET
HONG KONG, HONG KONG
Assignment: 9
Reel/Frame:030997/0169   Pages: 7
Recorded: 08/13/2013
Attorney Dkt #:69145-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HE, ROBERT HAI-FENG
Exec Dt:
05/09/2011
2
CHENG, STEPHEN YAU-SANG
Exec Dt:
05/07/2011
Assignee
1
DOW CHEMICAL (CHINA) INVESTMENT COMPANY LIMITED
ROOM 1101, TOWER W3, ORIENTAL PLAZA, NO. 1
EAST CHANG AN AVENUE
BEIJING, CHINA 100738
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8530019
US20120308752
13578977
Correspondence name and address
JERE L POLMATIER
WHYTE HIRSCHBOECK DUDEK SC
555 EAST WELLS STREET, SUITE 1900
MILWAUKEE, WI 53202
Assignment: 10
Reel/Frame:026594/0853   Pages: 5
Recorded: 07/15/2011
Attorney Dkt #:TWT01793/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, STEPHEN YAU-SANG
Exec Dt:
07/05/2011
2
YIP, CHUI-LING
Exec Dt:
07/08/2011
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BUILDING, NO. 8 SCIENCE PARK WEST AVENUE, HONG KONG SCIENCE PARK, PAK SHEK KOK, N.T.
HONG KONG, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130014821
13182447
Correspondence name and address
CKC & PARTNERS CO., LTD.
12TH FLOOR, RUTTONJEE HOUSE 11 DUDDELL
STREET
HONG KONG, HONG KONG
Assignment: 11
Reel/Frame:026768/0288   Pages: 5
Recorded: 08/18/2011
Attorney Dkt #:TWT01887/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YEN, CHIH-HE
Exec Dt:
07/08/2011
2
CHENG, STEPHEN YAU-SANG
Exec Dt:
08/10/2011
Assignee
1
DU PONT APOLLO LIMITED
UNITS 501-509, WEST WING, LAKESIDE 1 BUILDING, NO. 8 SCIENCE PARK WEST AVENUE, HONG KONG SCIENCE PARK, PAK SHEK KOK, N.T.
HONG KONG, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120042944
13209462
Correspondence name and address
CKC & PARTNERS CO., LTD.
12TH FLOOR, RUTTONJEE HOUSE 11 DUDDELL
STREET
HONG KONG, HONG KONG

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