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: 3
Patent #:
Issue Dt:
06/06/2000
Application #:
08838688
Filing Dt:
04/09/1997
Inventors:
DIETER ENGEL, THOMAS LEHMANN, HARALD TROLL
Title:
ELECTROLYTIC METHOD FOR PURIFYING GASES
Assignment: 1
Reel/Frame:
008752/0575Recorded: 09/22/1997Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/10/1997
Exec Dt:
04/15/1997
Exec Dt:
05/05/1997
Assignee:
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Correspondent:
BEVERIDGE, DEGRANDI, WEILACHER ET AL.
ROBERT G. WEILACHER
1850 M STREET, N.W.
SUITE 800
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:
010719/0914Recorded: 04/18/2000Pages: 17
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/09/1998
Assignee:
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Correspondent:
SMITH, GAMBRELL & RUSSELL, LLP
ROBERT G. WEILACHER
SUITE 800, 1850 M STREET, N.W.
WASHINGTON, D.C. 20036
Assignment: 3
Reel/Frame:
012322/0909Recorded: 10/06/2001Pages: 28
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/09/2001
Assignee:
BENNIGSENPLATZ 1
DE-40474 DUSSELDORF, GERMANY
Correspondent:
SMITH, GAMBRELL & RUSSELL, LLP
ROBERT G. WEILACHER
1850 M ST., N.W. (SUITE 800)
WASHINGTON, D.C. 20036

Search Results as of: 05/09/2024 12:34 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