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 : CHANG, ZHIHUA
Total Assignments: 6
Assignment: 1
Reel/Frame:046157/0930   Pages: 5
Recorded: 06/21/2018
Attorney Dkt #:20615-D001US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/13/2017
2
Exec Dt:
10/13/2017
3
Exec Dt:
10/13/2017
4
Exec Dt:
10/13/2017
5
Exec Dt:
10/13/2017
6
Exec Dt:
10/13/2017
Assignee
1
BUILDING 34, NO.8 DONGBEIWANG WEST ROAD HAIDIAN DISTRICT
BEIJING, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
15979556
Correspondence name and address
YANGZHOU DU
PO BOX 423
MCLEAN, VA 22101
Assignment: 2
Reel/Frame:054117/0452   Pages: 5
Recorded: 10/21/2020
Attorney Dkt #:20615-0321US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/05/2019
2
Exec Dt:
09/05/2019
3
Exec Dt:
09/05/2019
4
Exec Dt:
09/05/2019
5
Exec Dt:
09/05/2019
6
Exec Dt:
09/05/2019
Assignee
1
BUILDING 34, NO. 8 DONGBEIWANG WEST ROAD, HAIDIAN DISTRICT
BEIJING, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17075681
Correspondence name and address
YANGZHOU DU
PO BOX 423
MCLEAN, VA 22101
Assignment: 3
Reel/Frame:054166/0402   Pages: 5
Recorded: 09/10/2020
Attorney Dkt #:20615-0509US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/09/2019
2
Exec Dt:
12/09/2019
3
Exec Dt:
12/09/2019
4
Exec Dt:
12/09/2019
5
Exec Dt:
12/09/2019
6
Exec Dt:
12/09/2019
Assignee
1
BUILDING 34, NO. 8 DONGBEIWANG WEST ROAD, HAIDIAN DISTRICT
BEIJING, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16703965
Correspondence name and address
YANGZHOU DU
PO BOX 423
MCLEAN, VA 22101
Assignment: 4
Reel/Frame:054248/0313   Pages: 5
Recorded: 11/03/2020
Attorney Dkt #:20615-0509US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/09/2019
2
Exec Dt:
12/09/2019
3
Exec Dt:
12/09/2019
4
Exec Dt:
12/09/2019
5
Exec Dt:
12/09/2019
6
Exec Dt:
12/09/2019
Assignee
1
BUILDING 34, NO. 8 DONGBEIWANG WEST ROAD, HAIDIAN DISTRICT
BEIJING, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17084798
Correspondence name and address
YANGZHOU DU
PO BOX 423
MCLEAN, VA 22101
Assignment: 5
Reel/Frame:059393/0730   Pages: 5
Recorded: 03/24/2022
Attorney Dkt #:INNBXM-PT037
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/01/2022
2
Exec Dt:
03/01/2022
3
Exec Dt:
03/01/2022
4
Exec Dt:
03/01/2022
Assignee
1
NO. 018, FLOOR 8, BUILDING 6, YARD 33
MIDDLE XIERQI ROAD, HAIDIAN DISTRICT
BEIJING, CHINA 100085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17703564
Correspondence name and address
VOLPE KOENIG
30 SOUTH 17TH STREET, 18TH FLOOR
PHILADELPHIA, PA 19103
Assignment: 6
Reel/Frame:059595/0632   Pages: 9
Recorded: 04/05/2022
Attorney Dkt #:INNBXM-PT037
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ADD THE SECONDE INVENTOR PREVIOUSLY RECORDED AT REEL: 059393 FRAME: 0730. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
Exec Dt:
03/01/2022
2
Exec Dt:
03/01/2022
3
Exec Dt:
03/01/2022
4
Exec Dt:
03/01/2022
Assignees
1
NO. 018, FLOOR 8, BUILDING 6, YARD 33
MIDDLE XIERQI ROAD, HAIDIAN DISTRICT
BEIJING, CHINA 100085
2
NO. 004, FLOOR 3, BUILDING 6, YARD 33
MIDDLE XIERQI ROAD, HAIDIAN DISTRICT
BEIJING, CHINA 100085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17703564
Correspondence name and address
VOLPE KOENIG
30 SOUTH 17TH STREET, 18TH FLOOR
PHILADELPHIA, PA 19103

Search Results as of: 05/09/2024 12:38 AM
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