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 : KOEHLER, GUENTHER
Total Assignments: 18
Assignment: 1
Reel/Frame:007933/0877   Pages: 3
Recorded: 05/06/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
03/29/1996
2
FELD, MARCEL
Exec Dt:
04/15/1996
3
METZ, JOSEF
Exec Dt:
04/16/1996
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL, GERMANY 45764
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5717111
NONE
08618441
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER &
NEUSTADT, P.C., ATTORNEYS AT LAW
RICHARD L. OBLON
1755 JEFFERSON DAVIS HIGWAY, 4TH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 2
Reel/Frame:008533/0568   Pages: 3
Recorded: 02/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
01/07/1997
2
UHLENBROCK, WILFRIED
Exec Dt:
01/07/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5789603
NONE
08804543
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
J. DEREK MASON
1755 JEFFERSON DAVIS HIGHWAY, 4TH FL.
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:008605/0423   Pages: 3
Recorded: 06/09/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
01/22/1997
2
METZ, JOSEF
Exec Dt:
01/15/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL D-45764, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5786502
NONE
08871586
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL
J. DEREK MASON, PH.D
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:008630/0576   Pages: 3
Recorded: 06/26/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAUFHOLD, MANFRED
Exec Dt:
03/17/1997
2
KOEHLER, GUENTHER
Exec Dt:
03/17/1997
3
FELD, MARCEL
Exec Dt:
03/17/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN STRASSE 1
MARL, GERMANY D-457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5763627
NONE
08881937
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL
RICHARD L. CHINN
ATTORNEYS AT LAW, FOUTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 5
Reel/Frame:008737/0980   Pages: 5
Recorded: 06/27/1997
Conveyance: ASSIGNMENT OF ASSIGNOR'S INTEREST. RERECORD TO CORRECT THE RECORDATION DATE OF 06261997 TO 06271997. PREVIOUSLY RECORDED AT REEL 8630 FRAME 0576.
Assignors
1
KAUFHOLD, MANFRED
Exec Dt:
03/17/1997
2
KOEHLER, GUENTHER
Exec Dt:
03/17/1997
3
FELD, MARCEL
Exec Dt:
03/17/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN STRASSE 1
MARL, GERMANY D-457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5763627
NONE
08881937
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
RICHARD L. CHINN, PH.D.
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 6
Reel/Frame:009014/0204   Pages: 3
Recorded: 03/02/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLEEMISS, WOLFGANG
Exec Dt:
01/19/1998
2
KOEHLER, GUENTHER
Exec Dt:
01/19/1998
3
NUEMAN, MANFRED
Exec Dt:
01/19/1998
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL, GERMANY 45764
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6045662
NONE
09033071
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL
JAMES J. KELLY
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 7
Reel/Frame:009819/0624   Pages: 3
Recorded: 03/03/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OSTERHOLT, CLEMENS
Exec Dt:
02/16/1999
2
METZ, JOSEF
Exec Dt:
02/16/1999
3
KOEHLER, GUENTHER
Exec Dt:
02/16/1999
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6107496
NONE
09261132
Correspondence name and address
OBLON, SPIVAK ET AL
GEORGE F. LESMES
1755 JEFFERSON DAVIS HWY.
FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 8
Reel/Frame:009869/0185   Pages: 3
Recorded: 03/26/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
02/16/1999
2
KORELL, MICHAEL
Exec Dt:
02/16/1999
Assignee
1
HUELS AKTIENGESELLSHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6218567
NONE
09276731
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
FREDERICK D. VASTINE, PH.D.
FOURTH FLOOR
1755 JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 9
Reel/Frame:009934/0816   Pages: 3
Recorded: 05/07/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OSTERHOLT, CLEMENS
Exec Dt:
04/28/1999
2
METZ, JOSEF
Exec Dt:
04/28/1999
3
KOEHLER, GUENTHER
Exec Dt:
04/28/1999
4
FELD, MARCEL
Exec Dt:
04/28/1999
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
45772 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6121466
NONE
09261227
Correspondence name and address
OBLON SPIVAK MCCLELLAND ET AL
STAMATIOS MYLONAKIS
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 10
Reel/Frame:009964/0618   Pages: 3
Recorded: 05/18/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
04/28/1999
2
CHLENCH, JUERGEN
Exec Dt:
04/28/1999
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL 45764, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6140514
NONE
09261133
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL.
WILLIAM E. BEAUMONT
1755 JEFFERSON DAVIS HWY.
FOURTH FL.
ARLINGTON, VA 22202
Assignment: 11
Reel/Frame:012055/0485   Pages: 3
Recorded: 08/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
06/21/2001
2
KLEEMISS, WOLFGANG
Exec Dt:
06/21/2001
3
BAUER, FRANK
Exec Dt:
06/21/2001
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6500980
NONE
09863253
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL
JAMES J. KELLY
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 12
Reel/Frame:012254/0309   Pages: 3
Recorded: 10/11/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMON, ULRICH
Exec Dt:
07/27/2001
2
KOEHLER, GUENTHER
Exec Dt:
07/27/2001
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY D-404
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6784227
US20020042455
09973890
Correspondence name and address
OBLON SPIVAK MCCLELEAND MAIER & NEUSTADT
FREDERICK D. VASTINE, PH.D.
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 13
Reel/Frame:014164/0385   Pages: 3
Recorded: 06/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
06/04/2003
2
BRUEHL, KARL-HEINZ
Exec Dt:
06/04/2003
3
RUWWE, JOHANNES
Exec Dt:
06/04/2003
4
NEUMANN, MANFRED
Exec Dt:
06/04/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY D-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6747176
US20030229255
10457570
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:014509/0871   Pages: 3
Recorded: 09/22/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WINKLER, HERMANN
Exec Dt:
09/04/2003
2
POLL, HEINZ-GUENTER
Exec Dt:
09/04/2003
3
NEUMANN, MANFRED
Exec Dt:
09/04/2003
4
KOEHLER, GUENTHER
Exec Dt:
09/04/2003
5
BAUER, FRANK
Exec Dt:
09/04/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040024260
10423929
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL
NORMAN F. OBLON
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:016711/0150   Pages: 3
Recorded: 06/21/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
05/20/2005
2
BREHME, VOLKER
Exec Dt:
05/20/2005
3
NEUMANN, MANFRED
Exec Dt:
05/20/2005
4
OSTERHOLT, CLEMENS
Exec Dt:
05/20/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474, DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7208640
US20050245769
11116313
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 16
Reel/Frame:017059/0140   Pages: 3
Recorded: 10/04/2005
Attorney Dkt #:268500US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PETRAT, FRANK-MARTIN
Exec Dt:
09/22/2005
2
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
09/22/2005
3
STUETZEL, BERNHARD
Exec Dt:
09/22/2005
4
KOEHLER, GUENTHER
Exec Dt:
09/22/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060166856
10529947
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 17
Reel/Frame:020581/0690   Pages: 6
Recorded: 02/29/2008
Attorney Dkt #:314393US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMEIS, MARIANNE
Exec Dt:
01/31/2008
2
KOEHLER, GUENTHER
Exec Dt:
01/31/2008
3
NEUMANN, MANFRED
Exec Dt:
01/31/2008
4
KUEBELBAECK, THOMAS
Exec Dt:
01/31/2008
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7485756
US20080214864
11961109
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 18
Reel/Frame:021218/0831   Pages: 3
Recorded: 07/10/2008
Attorney Dkt #:322109US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
05/16/2008
2
NEUMANN, MANFRED
Exec Dt:
05/16/2008
3
OMEIS, MARIANNE
Exec Dt:
05/16/2008
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7700805
US20080281126
12118884
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

Search Results as of: 05/29/2024 08:31 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