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 : BRIETZKE, STEPHAN
Total Assignments: 8
Assignment: 1
Reel/Frame:007438/0544   Pages: 2
Recorded: 03/28/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRIETZKE, STEPHAN
Exec Dt:
02/20/1995
2
MILLAUER, HANS
Exec Dt:
02/20/1995
Assignee
1
HOECHST AG
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5522982
NONE
08411475
Correspondence name and address
JAMES T. MOORE
CONNOLLY AND HUTZ
POST OFFICE BOX 2207
WILMINGTON, DE 19899
Assignment: 2
Reel/Frame:026317/0319   Pages: 2
Recorded: 05/20/2011
Attorney Dkt #:342234-08501
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRIETZKE, STEPHAN
Exec Dt:
05/11/2011
2
GROER, PETER
Exec Dt:
05/12/2011
3
MOLLENKOPF, CARL CHRISTOPH
Exec Dt:
05/12/2011
4
BAYER, MICHAEL J.
Exec Dt:
05/11/2011
Assignee
1
CELANESE INTERNATIONAL CORPORATION
1601 WEST LBJ FREEWAY
DALLAS, TEXAS 75234
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8303921
US20110256045
13088734
Correspondence name and address
WILADEAN P. JOHNSON
2900 K STREET, N.W.
NORTH TOWER - SUITE 200
WASHINGTON, DC 20007-5118
Assignment: 3
Reel/Frame:026317/0428   Pages: 2
Recorded: 05/20/2011
Attorney Dkt #:342234-08601
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRIETZKE, STEPHAN
Exec Dt:
05/11/2011
2
GROER, PETER
Exec Dt:
05/12/2011
3
MOLLENKOPF, CARL CHRISTOPH
Exec Dt:
05/12/2011
4
BAYER, MICHAEL J.
Exec Dt:
05/11/2011
Assignee
1
CELANESE INTERNATIONAL CORPORATION
1601 WEST LBJ FREEWAY
DALLAS, TEXAS 75234
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8309048
US20110256046
13088754
Correspondence name and address
WILADEAN P. JOHNSON
2900 K STREET, N.W.
NORTH TOWER - SUITE 200
WASHINGTON, DC 20007-5118
Assignment: 4
Reel/Frame:027655/0767   Pages: 3
Recorded: 02/06/2012
Attorney Dkt #:342234-08701
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRIETZKE, STEPHAN
Exec Dt:
01/17/2012
2
GROER, PETER
Exec Dt:
01/17/2012
3
MOLLENKOPF, CHRISTOPH
Exec Dt:
01/19/2012
4
BAYER, MICHAEL
Exec Dt:
01/18/2012
Assignee
1
CELANESE INTERNATIONAL CORPORATION
1601 WEST LBJ FREEWAY
DALLAS, TEXAS 75234
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8663595
US20130164211
13333047
Correspondence name and address
ROBERTS MLOTKOWSKI SAFRAN & COLE, P.C. I
P.O. BOX 10064
MCLEAN, VA 22102-8064
Assignment: 5
Reel/Frame:029392/0917   Pages: 3
Recorded: 12/03/2012
Attorney Dkt #:342234-15701
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRIETZKE, STEPHAN
Exec Dt:
10/14/2012
2
GROER, PETER
Exec Dt:
10/12/2012
3
MELLENKOPF, CARL CHRISTOPH
Exec Dt:
10/23/2012
Assignee
1
NUTRINOVA NUTRITION SPECIALTIES & FOOD INGREDIENTS GMBH
AM UNISYS-PARK 1
SULZBACH, GERMANY 65843
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130062192
13640329
Correspondence name and address
ROBERTS MLOTKOWSKI SAFRAN & COLE, P.C.
P.O. BOX 10064
MCLEAN, VA 22102-8064
Assignment: 6
Reel/Frame:029396/0536   Pages: 3
Recorded: 12/03/2012
Attorney Dkt #:342234-15801
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRIETZKE, STEPHAN
Exec Dt:
10/14/2012
2
GROER, PETER
Exec Dt:
10/12/2012
3
MELLENKOPF, CARL CHRISTOPH
Exec Dt:
10/23/2012
Assignee
1
NUTRINOVA NUTRITION SPECIALTIES & FOOD INGREDIENTS GMBH
AM UNISYS-PARK 1
SULZBACH, GERMANY 65843
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8496905
US20130064755
13640330
Correspondence name and address
ROBERTS MLOTKOWSKI SAFRAN & COLE, P.C.
P.O. BOX 10064
MCLEAN, VA 22102-8064
Assignment: 7
Reel/Frame:029396/0566   Pages: 3
Recorded: 12/03/2012
Attorney Dkt #:342234-15601
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRIETZKE, STEPHAN
Exec Dt:
10/14/2012
2
GROER, PETER
Exec Dt:
10/12/2012
3
MELLENKOPF, CARL CHRISTOPH
Exec Dt:
10/23/2012
Assignee
1
NUTRINOVA NUTRITION SPECIALTIES & FOOD INGREDIENTS GMBH
AM UNISYS-PARK 1
SULZBACH, GERMANY 65843
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8658830
US20130096350
13640328
Correspondence name and address
ROBERTS MLOTKOWSKI SAFRAN & COLE, P.C.
P.O. BOX 10064
MCLEAN, VA 22102-8064
Assignment: 8
Reel/Frame:030734/0590   Pages: 4
Recorded: 07/03/2013
Attorney Dkt #:342234-11601
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAYER, MICHAEL J.
Exec Dt:
05/27/2013
2
BRIETZKE, STEPHAN
Exec Dt:
05/27/2013
3
GROER, PETER
Exec Dt:
05/27/2013
4
MOLLENKOPF, CHRISTOPH
Exec Dt:
05/27/2013
Assignee
1
NUTRINOVA NUTRITION SPECIALTIES & FOOD INGREDIENTS GMBH
AM UNISYS-PARK 1
SULZBACH, GERMANY 65843
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9024016
US20130331565
13901735
Correspondence name and address
ROBERTS MLOTKOWSKI SAFRAN & COLE, P.C.
P.O. BOX 10064
MCLEAN, VA 22102-8064

Search Results as of: 06/06/2024 03:32 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