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 : LUDVIG, MARIA MARGARET
Total Assignments: 4
Assignment: 1
Reel/Frame:019118/0829   Pages: 3
Recorded: 03/27/2007
Attorney Dkt #:MNL-2764-164
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAU, LAM YIU
Exec Dt:
02/06/2007
2
BEZERRA DE ALMEIDA, MARLON BRANDO
Exec Dt:
02/06/2007
3
COSTA, ALEXANDRE DE FIGUEIREDO
Exec Dt:
02/07/2007
4
CASTRO MATTOS, ELIANE BERNADETE
Exec Dt:
02/06/2007
5
CANOS, AVELINO CORMA
Exec Dt:
02/20/2007
6
LUDVIG, MARIA MARGARET
Exec Dt:
03/08/2007
Assignee
1
PETROLEO BRASILEIRO S.A. - PETROBRAS
AV. REPUBLICA DO CHILE N( 65
RIO DE JANEIRO, RJ, BRAZIL
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070173399
11606358
Correspondence name and address
MICHELLE N. LESTER
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VIRGINIA 22203
Assignment: 2
Reel/Frame:023873/0664   Pages: 7
Recorded: 01/29/2010
Attorney Dkt #:C2-7650 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE GRAAF, ELBERT ARJAN
Exec Dt:
09/08/2009
2
GONZALEZ, JORGE ALBERTO
Exec Dt:
08/13/2009
3
FRANCIS, JULIE ANN
Exec Dt:
08/20/2009
4
LUDVIG, MARIA MARGARET
Exec Dt:
08/20/2009
Assignee
1
ALBEMARLE CORPORATION
451 FLORIDA STREET
BATON ROUGE, LOUISIANA 70801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100111797
12532317
Correspondence name and address
ALBEMARLE CORPORATION
451 FLORIDA STREET
LAW DEPARTMENT
BATON ROUGE, LA 70801
Assignment: 3
Reel/Frame:049139/0579   Pages: 9
Recorded: 05/10/2019
Attorney Dkt #:C2-8012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDVIG, MARIA MARGARET
Exec Dt:
04/12/2019
2
GAVALDA, SANDRA
Exec Dt:
04/15/2019
3
GARCIA VARGAS, NATALY
Exec Dt:
04/15/2019
4
MILLER, KEVIN ALFONSO
Exec Dt:
04/15/2019
5
FOSTER, EDWARD LEE
Exec Dt:
04/15/2019
6
OVERWATER, PETRUS MARTINUS
Exec Dt:
05/10/2019
Assignee
1
ALBEMARLE CORPORATION
4250 CONGRESS STREET, SUITE 900
CHARLOTTE, NORTH CAROLINA 28209
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10888852
US20180361367
15747051
Correspondence name and address
ALBEMARLE CORPORATION
4250 CONGRESS STREET
SUITE 900
CHARLOTTE, NC 28209
Assignment: 4
Reel/Frame:065359/0388   Pages: 6
Recorded: 10/26/2023
Attorney Dkt #:C2-8029
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FOSTER, EDWARD LEE
Exec Dt:
04/15/2019
2
LUDVIG, MARIA MARGARET
Exec Dt:
04/15/2019
3
MILLER, KEVIN ALFONSO
Exec Dt:
04/15/2019
Assignee
1
ALBEMARLE CORPORATION
4250 CONGRESS STREET
SUITE 900
CHARLOTTE, NORTH CAROLINA 28209
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11964256
US20230149905
16494875
Correspondence name and address
LAUREN LOGAN
13100 SPACE CENTER BLVD, SUITE 400
HOUSTON, TX 77059

Search Results as of: 05/03/2024 06:50 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