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 #:
7329331
Issue Dt:
02/12/2008
Application #:
10491621
Filing Dt:
10/04/2004
Publication #:
20050173257
Pub Dt:
08/11/2005
Inventors:
Andreas Bulan, Fritz Gestermann, Manfred Marre, Walter Hansen, Michael Grossholz
Title:
ELECTROLYSIS CELL, ESPECIALLY FOR ELECTROCHEMICAL PRODUCTION OF CHLORINE
Assignment: 1
Reel/Frame:
015216/0799Recorded: 10/04/2004Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
BULAN, ANDREAS
Exec Dt:
03/05/2004
GESTERMANN, FRITZ
Exec Dt:
03/15/2004
MARRE, MANFRED
Exec Dt:
03/26/2004
HANSEN, WALTER
Exec Dt:
03/09/2004
GROBHOLZ, MICHAEL
Exec Dt:
03/09/2004
Assignee:
BAYER MATERIALSCIENCE AG
LAW AND PATENTS
PATNET AND LICENSING, BUILDING Q18
LEVERKUSEN, GERMANY D-51368
Correspondent:
CONNOLLY BOVE LODGE & HUTZ LLP
SUSEN E. SHAW MCBEE
1990 M STREET, N.W.
SUITE 800
WASHINGTON, D.C. 20036-3425
Assignment: 2
Reel/Frame:
038399/0306Recorded: 03/30/2016Pages: 52
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
BAYER MATERIALSCIENCE AG
Exec Dt:
09/01/2015
Assignee:
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Correspondent:
DONALD R. PALLADINO
1 COVESTRO CIRCLE
BLDG. 4
PITTSBURGH, PA 15205

Search Results as of: 05/12/2024 03:06 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