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 Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 2
Patent #:
Issue Dt:
05/28/2013
Application #:
10536401
Filing Dt:
05/25/2005
Publication #:
Pub Dt:
04/06/2006
Inventors:
Arno Lange, Hans Peter Rath, Marc Walter, Marco Bergemann, Helmut Schmidt
Title:
Use of amines and/or mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines
Assignment: 1
Reel/Frame:
017484/0298Recorded: 05/25/2005Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
10/30/2003
Exec Dt:
10/30/2003
Exec Dt:
10/30/2003
Exec Dt:
10/30/2003
Exec Dt:
10/30/2003
Assignee:
LUDWIGSHAFEN, GERMANY 67056
Correspondent:
BRYAN H. DAVIDSON
NIXON & VANDERHYE P.C.
1100 NORTH GLEBE ROAD, 8TH FLOOR
ARLINGTON, VIRGINIA 22201
Assignment: 2
Reel/Frame:
030290/0841Recorded: 04/24/2013Pages: 3
Conveyance:
CHANGE IN LEGAL FORM
Assignor:
Exec Dt:
01/14/2008
Assignee:
.
LUDWIGSHAFEN, GERMANY 67056
Correspondent:
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

Search Results as of: 08/05/2025 08:25 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