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Patent Assignment Assignor Details
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Assignor Name : LEONHARDT, WOLFGANG
Total Assignments: 14
Assignment: 1
Reel/Frame:004942/0433   Pages: 3
Recorded: 09/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DANKOWSKI, MANFRED
Exec Dt:
08/11/1988
2
LIESER, THOMAS
Exec Dt:
08/16/1988
3
PRESCHER, GUNTER
Exec Dt:
08/29/1988
4
LEONHARDT, WOLFGANG
Exec Dt:
09/09/1988
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT, A CORP. OF GERMANY
WEISSFRAUENSTRASSE 9
6000 FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4790949
NONE
07168996
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
11TH FL., 1615 L ST., N.W.
WASHINGTON, D.C. 20036
Assignment: 2
Reel/Frame:005000/0423   Pages: 3
Recorded: 01/12/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DANKOWSKI, MANFRED
Exec Dt:
08/11/1988
2
LIESER, THOMAS
Exec Dt:
08/16/1988
3
PRESCHER, GUNTER
Exec Dt:
08/29/1988
4
LEONHARDT, WOLFGANG
Exec Dt:
09/09/1988
5
DIEHL, MANFRED
Exec Dt:
08/17/1988
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
6000 FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4879057
NONE
07168997
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
1615 L STREET, N. W., 11TH FLR.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:006090/0758   Pages: 3
Recorded: 04/22/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHOJNOWKI, MARIAN
Exec Dt:
03/30/1992
2
NAGEL, WERNER
Exec Dt:
03/31/1992
3
MEIER, KARL
Exec Dt:
04/01/1992
4
LEONHARDT, WOLFGANG
Exec Dt:
04/06/1992
5
ESCH, HEINZ
Exec Dt:
04/01/1992
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT, A GERMAN CORPORATION
WEISSFRAUENSTRASSE 9
FRANKFURT AM MAIN 1, GERMANY 6000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5256196
NONE
07808804
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
1615 L ST., NW, 11TH FL.
WASHINGTON, DC 20036-5601
Assignment: 4
Reel/Frame:006135/0329   Pages: 3
Recorded: 05/20/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEONHARDT, WOLFGANG
Exec Dt:
05/07/1992
2
BERGMANN, ROLAND
Exec Dt:
05/07/1992
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
6000 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5298185
NONE
07853179
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
LAWRENCE A. HYMO
1615 L STREET, N.W.
WASHINGTON, DC 20036-5601
Assignment: 5
Reel/Frame:006129/0779   Pages: 3
Recorded: 05/19/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEONHARDT, WOLFGANG
Exec Dt:
05/12/1992
2
SCHMIDT, KURT
Exec Dt:
05/13/1992
3
SUSS, HANS ULRICH
Exec Dt:
05/13/1992
4
GLAUM, HOLGER
Exec Dt:
05/12/1992
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT A CORP. OF GERMANY
WEISSFRAUENSTRASSE 9
6000 FRANKFURT AM MAIN 1 FEDERAL REP. OF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5227022
NONE
07885688
Correspondence name and address
BEVERIDGE, DEGRANDI & WEILACHER
ATTN: ROBERT G. WEILACHER
1819 H STREET, N.W.
WASHINGTON, DC 20006
Assignment: 6
Reel/Frame:006152/0873   Pages: 3
Recorded: 06/24/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEONHARDT, WOLFGANG
Exec Dt:
05/12/1992
2
SCHMIDT, KURT
Exec Dt:
05/13/1992
3
SUSS, HANS ULRICH
Exec Dt:
05/13/1992
4
GLAUM, HOLGER
Exec Dt:
05/12/1992
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT, A CORP. OF GERMANY
WEISSFRAUENSTRASSE 9
600 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5227022
NONE
07885688
Correspondence name and address
BEVERIDGE, DEGRANDI & WEILACHER
ROBERT G. WEILACHER
1819 H STREET, N.W.
SUITE 1100
WASHINGTON, D.C. 20006
Assignment: 7
Reel/Frame:006935/0870   Pages: 3
Recorded: 03/30/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARNOLDI, DETLEF
Exec Dt:
10/13/1993
2
LEONHARDT, WOLFGANG
Exec Dt:
10/28/1993
3
LORTZ, BEATA-MARIA
Exec Dt:
11/06/1993
4
RAGNETTI, MAURIZIO
Exec Dt:
11/15/1993
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
6000 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5494488
NONE
08191506
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
LAWRENCE A. HYMO
1100 NEW YORK AVENUE, N.W., 9TH FL.
WASHINGTON, D.C. 20005-3918
Assignment: 8
Reel/Frame:009190/0199   Pages: 3
Recorded: 05/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLEN, RAINER
Exec Dt:
04/14/1998
2
RUHS, ALEXANDER
Exec Dt:
04/21/1998
3
LEONHARDT, WOLFGANG
Exec Dt:
04/16/1998
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5988436
NONE
09065592
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER & YOUNG
DENNIS C. RODGERS
1850 M STREET N.W., SUITE 800
WASHINGTON, D.C. 20036
Assignment: 9
Reel/Frame:012738/0493   Pages: 5
Recorded: 03/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHEIBE, MICHAEL
Exec Dt:
01/27/2002
2
TRAUMER, DIETMAR
Exec Dt:
01/08/2002
3
KOHLEN, RAINER
Exec Dt:
12/21/2001
4
LEONHARDT, WOLFGANG
Exec Dt:
01/16/2002
5
KAISER, LOTHAR
Exec Dt:
01/31/2002
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6595008
US20020092309
10023902
Correspondence name and address
OBLON SPIVAK MCCLELLAND ET AL
CORWIN P. UMBACH
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 10
Reel/Frame:013078/0451   Pages: 6
Recorded: 07/11/2002
Conveyance: CORRECTIVE ASSIGNMENT, TO CORRECT THE ASSIGNEE'S ADDRESS AND 2ND ASSIGNOR'S NAME AT REEL 012738/FRAME 0493.
Assignors
1
SCHEIBE, MICHAEL
Exec Dt:
01/27/2002
2
TRAEUMER, DIETMAR
Exec Dt:
01/08/2002
3
KOHLEN, RAINER
Exec Dt:
12/21/2001
4
LEONHARDT, WOLFGANG
Exec Dt:
01/16/2002
5
KAISER, LOTHAR
Exec Dt:
01/31/2002
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6595008
US20020092309
10023902
Correspondence name and address
OBLON SPIVAK MCCLELLAND ET AL.
NORMAN F. OBLON
1755 JEFFERSON DAVIS HWY, 4TH FLR
ARLINGTON, VA 22202
Assignment: 11
Reel/Frame:023097/0560   Pages: 4
Recorded: 08/13/2009
Attorney Dkt #:3581.16US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURGER, WOLFGANG
Exec Dt:
05/11/2009
2
LEONHARDT, WOLFGANG
Exec Dt:
05/11/2009
3
THIEL, NORBERT
Exec Dt:
05/07/2009
4
STEPHAN, MARC
Exec Dt:
05/13/2009
Assignee
1
ZAHNFABRIK H. RAUTER GMBH & CO. KG
SPITALGASSE 3
BAD SACKINGEN, GERMANY 79713
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090317767
12311586
Correspondence name and address
CURTIS B. HERBERT, PH.D.
DARDI & ASSOCIATES, PLLC
220 SOUTH SIXTH STREET, SUITE 2000
MINNEAPOLIS, MN 55402
Assignment: 12
Reel/Frame:023097/0603   Pages: 4
Recorded: 08/13/2009
Attorney Dkt #:3581.17US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURGER, WOLFGANG
Exec Dt:
05/11/2009
2
LEONHARDT, WOLFGANG
Exec Dt:
05/11/2009
3
THIEL, NORBERT
Exec Dt:
05/07/2009
4
STEPHAN, MARC
Exec Dt:
05/13/2009
Assignee
1
VITA ZAHNFABRIK H. RAUTER GMBH & CO. KG
SPITALGASSE 3
BAD SACKINGEN, GERMANY 79713
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090292366
12311590
Correspondence name and address
CURTIS B. HERBERT, PH.D.
DARDI & ASSOCIATES, PLLC
220 SOUTH SIXTH STREET, SUITE 2000
MINNEAPOLIS, MN 55402
Assignment: 13
Reel/Frame:023182/0759   Pages: 6
Recorded: 09/01/2009
Attorney Dkt #:3581.16US01
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE CORPORATION NAME PREVIOUSLY RECORDED ON REEL 023097 FRAME 0560. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECT CORPORATION NAME IS VITA ZAHNFABRIK H. RAUTER GMBH & CO. KG.
Assignors
1
BURGER, WOLFGANG
Exec Dt:
05/11/2009
2
LEONHARDT, WOLFGANG
Exec Dt:
05/11/2009
3
THIEL, NORBERT
Exec Dt:
05/07/2009
4
STEPHAN, MARC
Exec Dt:
05/13/2009
Assignee
1
VITA ZAHNFABRIK H. RAUTER GMBH & CO. KG
SPITALGASSE 3
BAD SACKINGEN, GERMANY 79713
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090317767
12311586
Correspondence name and address
CURTIS B. HERBERT, PH.D.
DARDI & ASSOCIATES, PLLC
220 SOUTH SIXTH STREET, SUITE 2000
MINNEAPOLIS, MN 55402
Assignment: 14
Reel/Frame:053693/0124   Pages: 2
Recorded: 09/04/2020
Attorney Dkt #:38825-0004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEONHARDT, WOLFGANG
Exec Dt:
08/26/2020
2
SCHMORL, GUNNAR
Exec Dt:
08/26/2020
Assignee
1
LEONHARDT E.K.
MOZARTSTR. 26
HOCHDORF, GERMANY 73269
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11872731
US20210078219
16977953
Correspondence name and address
HOLLY J. LAWRENCE
100 PINE STREET
P.O. BOX 1166
HARRISBURG, PA 17108-1166

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