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Patent Assignment Assignor Details
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Assignor Name : SCHAUHOFF, STEPHANIE
Total Assignments: 16
Assignment: 1
Reel/Frame:006839/0501   Pages: 3
Recorded: 01/26/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHAUHOFF, STEPHANIE
Exec Dt:
07/06/1993
2
NUN, EDWIN
Exec Dt:
06/18/1993
3
ARNOLDI, DETLEF
Exec Dt:
06/24/1993
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
FRANKFURT AM MAIN 1, GERMANY 6000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5393813
NONE
08140357
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
LAWRENCE A. HYMO
1100 NEW YORK AVENUE, N.W., 9TH FLOOR
WASHINGTON, D.C. 20005-3918
Assignment: 2
Reel/Frame:007719/0521   Pages: 3
Recorded: 09/21/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NUN, EDWIN
Exec Dt:
09/05/1995
2
SCHAUHOFF, STEPHANIE
Exec Dt:
09/17/1995
3
DORN, KLAUS
Exec Dt:
09/07/1995
Assignee
1
DEGUSSA AKLIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9,
D-60000 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5641830
NONE
08531412
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR
WASHINGTON, D.C. 20005-3918
Assignment: 3
Reel/Frame:008839/0547   Pages: 3
Recorded: 10/01/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, WOLFGANG
Exec Dt:
09/03/1997
2
THIELE, ULRICH
Exec Dt:
08/12/1997
3
SCHAUHOFF, STEPHANIE
Exec Dt:
08/14/1997
4
YU, DAHAI
Exec Dt:
08/18/1997
Assignee
1
ZIMMER AKTIENGESELLSCHAFT
BORSIGALLEE 1
FRANKFURT/MAIN, GERMANY D-603
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5798433
NONE
08941997
Correspondence name and address
MCDONNELL BOEHNEN HUULBERT & BERGHOFF
MICHAEL S. GREENFIELD
300 SOUTH WACKER DRIVE
CHICAGO, ILLINOIS 60606
Assignment: 4
Reel/Frame:009284/0786   Pages: 5
Recorded: 06/12/1998
Conveyance: CORRECTIVE ASSIGNMENT TO ADD AN ASSIGNEE TO A PREVIOUS RECORDING AT REEL 8839 FRAME 0547.
Assignors
1
SCHMIDT, WOLFGANG
Exec Dt:
09/03/1997
2
THIELE, ULRICH
Exec Dt:
08/12/1997
3
SCHAUHOFF, STEPHANIE
Exec Dt:
08/14/1997
4
YU, DAHAI
Exec Dt:
08/18/1997
Assignees
1
ZIMMER AKTIENGESELLSCHAFT
BORSIGALLEE 1
FRANKFURT, MAIN, GERMANY D-603
2
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5798433
NONE
08941997
Correspondence name and address
MCDONNELL BOEHNEN HUULBERT & BERGHOFF
MICHAEL S. GREENFIELD
300 SOUTH WACKER DRIVE
CHICAGO, ILLINOIS 60606
Assignment: 5
Reel/Frame:010836/0788   Pages: 2
Recorded: 05/19/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KELLER, BRUNO
Exec Dt:
08/18/1998
2
SCHAUHOFF, STEPHANIE
Exec Dt:
08/20/1998
3
DORN, KLAUS
Exec Dt:
08/21/1998
4
ALT, HARTMUT
Exec Dt:
08/25/1998
5
MICHELCHEN, DIETRICH
Exec Dt:
08/25/1998
Assignee
1
DEGUSSA-HULS AG
WEISSFRAUENSTRASSE 9
FRANKFURT AM MAIN, GERMANY DE-60
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6191222
NONE
09130470
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
RUTH N. MORDUCH
1100 NEW YORK AVENUE, NW
9TH FLOOR
WASHINGTON, DC 20005-3918
Assignment: 6
Reel/Frame:012449/0772   Pages: 7
Recorded: 01/10/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOERNER, WALTER
Exec Dt:
09/14/2001
2
MARQUARDT, RALPH
Exec Dt:
09/16/2001
3
SCHAUHOFF, STEPHANIE
Exec Dt:
09/12/2001
4
SCHICK, CHRISTINE
Exec Dt:
09/14/2001
5
VANHEERTUM, RUDOLF
Exec Dt:
09/07/2001
Assignee
1
DEGUSSA AG.
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6838070
NONE
09926295
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 7
Reel/Frame:013183/0022   Pages: 3
Recorded: 08/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PUSCHNER, KURT
Exec Dt:
06/19/2002
2
SCHAUHOFF, STEPHANIE
Exec Dt:
06/20/2002
Assignee
1
DEGUSSA AG
RODENBACHER CHAUSSEE 4
63457 HANAU-WOLFGANG, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6926809
US20020195328
10142833
Correspondence name and address
OBLON SPIVAK MCCLELLAND ET AL.
NORMAN F. OBLON
1755 JEFFERSON DAVIS HWY, 4TH FLR
ARLINGTON, VA 22202
Assignment: 8
Reel/Frame:015860/0522   Pages: 5
Recorded: 03/09/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, MANFRED
Exec Dt:
06/16/2004
2
SCHAUHOFF, STEPHANIE
Exec Dt:
06/18/2004
3
GAHR, FRANK
Exec Dt:
06/08/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8177859
US20050011015
10494581
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY
MICHAEL A. SANZO
1801 K STREET, N.W.
SUITE 401L
WASHINGTON, D.C. 20006-1201
Assignment: 9
Reel/Frame:019975/0668   Pages: 6
Recorded: 10/17/2007
Attorney Dkt #:311050US0X PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHAUHOFF, STEPHANIE
Exec Dt:
07/03/2007
2
KLEFF, FRANK
Exec Dt:
07/09/2007
Assignee
1
DEGUSSA GMBH
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY 40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080221321
11911763
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:021683/0953   Pages: 10
Recorded: 10/15/2008
Attorney Dkt #:332916US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROOS, MARTIN
Exec Dt:
09/23/2008
2
SCHAUHOFF, STEPHANIE
Exec Dt:
09/29/2008
3
TRAGESER, MARTIN
Exec Dt:
09/23/2008
4
KRIMMER, HANS-PETER
Exec Dt:
09/25/2008
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8022201
US20090306367
12296498
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:026165/0068   Pages: 5
Recorded: 04/21/2011
Attorney Dkt #:032301 R 695
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHAUHOFF, STEPHANIE
Exec Dt:
03/16/2011
2
TRAGESER, MARTIN
Exec Dt:
03/16/2011
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110263748
13091643
Correspondence name and address
DENNIS C. RODGERS
1130 CONNECTICUT AVENUE, N.W.,SUITE 1130
SMITH, GAMBRELL & RUSSELL, LLP
WASHINGTON, DC 20036
Assignment: 12
Reel/Frame:037761/0330   Pages: 7
Recorded: 02/18/2016
Attorney Dkt #:463669US106
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ULBRICHT, DANIEL
Exec Dt:
01/28/2016
2
HEIN, MARCEL
Exec Dt:
01/29/2016
3
KLEFF, FRANK
Exec Dt:
01/29/2016
4
SCHAUHOFF, STEPHANIE
Exec Dt:
01/27/2016
5
OHLEMACHER, JUERGEN
Exec Dt:
01/28/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10233275
US20160177007
14974733
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:038102/0802   Pages: 7
Recorded: 03/25/2016
Attorney Dkt #:464004US106
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ULBRICHT, DANIEL
Exec Dt:
01/28/2016
2
HEIN, MARCEL
Exec Dt:
01/29/2016
3
KLEFF, FRANK
Exec Dt:
01/29/2016
4
SCHAUHOFF, STEPHANIE
Exec Dt:
01/27/2016
5
OHLEMACHER, JUERGEN
Exec Dt:
01/28/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160177015
14974814
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:037901/0816   Pages: 7
Recorded: 03/07/2016
Attorney Dkt #:464204US106
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ULBRICHT, DANIEL
Exec Dt:
02/16/2016
2
HEIN, MARCEL
Exec Dt:
02/11/2016
3
KLEFF, FRANK
Exec Dt:
02/12/2016
4
SCHAUHOFF, STEPHANIE
Exec Dt:
02/09/2016
5
OHLEMACHER, JUERGEN
Exec Dt:
02/19/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9587061
US20160177013
14973235
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:037916/0775   Pages: 7
Recorded: 03/08/2016
Attorney Dkt #:463667US106
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ULBRICHT, DANIEL
Exec Dt:
02/16/2016
2
HEIN, MARCEL
Exec Dt:
02/18/2016
3
KLEFF, FRANK
Exec Dt:
02/22/2016
4
SCHAUHOFF, STEPHANIE
Exec Dt:
02/17/2016
5
OHLEMACHER, JUERGEN
Exec Dt:
02/19/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160177014
14974579
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 16
Reel/Frame:037915/0906   Pages: 7
Recorded: 03/08/2016
Attorney Dkt #:463668US106
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ULBRICHT, DANIEL
Exec Dt:
02/22/2016
2
HEIN, MARCEL
Exec Dt:
02/22/2016
3
KLEFF, FRANK
Exec Dt:
02/22/2016
4
SCHAUHOFF, STEPHANIE
Exec Dt:
02/29/2016
5
OHLEMACHER, JUERGEN
Exec Dt:
02/25/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160177124
14973145
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

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