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Patent Assignment Assignor Details
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Assignor Name : STEFFEN, KLAUS-DIETER
Total Assignments: 19
Assignment: 1
Reel/Frame:004220/0678   Pages: 1
Recorded: 02/13/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
03/21/1977
Assignee
1
DYNAMIT NOBEL AKTIENGESELLSCHAFT
A CORP. OF GERMANY
TROISDORF BEZ. KOLN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4446327
NONE
06375637
Correspondence name and address
FELFE & LYNCH
800 THIRD AVE.
NEW YORK, NY 10022
Assignment: 2
Reel/Frame:003935/0788   Pages: 1
Recorded: 12/17/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HERRMANN, HANS-JOACHIM
Exec Dt:
05/19/1980
2
MEYER, GUNTHER
Exec Dt:
05/19/1980
3
STEFFEN, KLAUS-DIETER
Exec Dt:
05/19/1980
Assignee
1
DYNAMIT NOBEL AKTIENGESELLSCHAFT, A GERMAN CORP.
TROISDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4322554
NONE
06156449
Correspondence name and address
SPRUNG, FELFE, HORN,
LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:004040/0526   Pages: 1
Recorded: 09/27/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
STEFFEN, KLAUS-DIETER
Exec Dt:
07/03/1980
2
THALLMEIER, MANFRED
Exec Dt:
07/03/1980
Assignee
1
DYNAMIT NOBEL AG, A GERMAN CORP.
TROISDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4371709
NONE
06167555
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 3RD. AVE.
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:004261/0196   Pages: 1
Recorded: 06/01/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ENGLANDER, FRITZ
Exec Dt:
08/12/1980
2
STEFFEN, KLAUS-DIETER
Exec Dt:
08/12/1980
Assignee
1
DYNAMIT NOBEL AKTIENGESELLSCHAFT
5210 TROISDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4465865
NONE
06350905
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 5
Reel/Frame:004087/0312   Pages: 1
Recorded: 01/27/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
07/15/1981
Assignee
1
DYNAMIT NOBEL AKTIENGESELLSCHAFT, A WEST GERMAN CORP.
POSTFACH 1209 5210
TROISDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4380632
NONE
06286432
Correspondence name and address
SPRUNG, HORN , KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:004338/0040   Pages: 1
Recorded: 11/21/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
STEFFEN, KLAUS-DIETER
Exec Dt:
11/08/1984
2
MEYER, GUNTHER
Exec Dt:
11/09/1984
Assignee
1
DYNAMIT NOBEL AG
POSTFACH 1209
A CORP.
5210 TROISDORF BEZ. KOLN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4673751
NONE
06673921
Correspondence name and address
FELFE & LYNCH
805 THIRD AVENUE
NEW YORK NY 10022
Assignment: 7
Reel/Frame:005689/0490   Pages: 3
Recorded: 05/06/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VON ITTER, FRANZ-ALBERT
Exec Dt:
04/27/1990
2
STEFFEN, KLAUS-DIETER
Exec Dt:
04/27/1990
Assignee
1
HUELS AKTIENGESELLSCHAFT
POSTFACH 1320
MARL, WEST GERMANY, GERMANY D-4370
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5041619
NONE
07552902
Correspondence name and address
OBLON, SPIVAK, MC CLELLAND, MAIER
& NEUSTADT
FOURTH FLOOR, 1755 JEFFERSON DAVIS HWY
ARLINGTON, VA 22202
Assignment: 8
Reel/Frame:005658/0956   Pages: 2
Recorded: 04/02/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
12/20/1990
Assignee
1
HULS AKTIENGESELLSCHAFT, A GERMAN CORP.
PAUL-BAUMANN-STRASSE 1, POSTFACH 1320,
D-4370 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5101043
NONE
07679278
Correspondence name and address
FELFE & LYNCH
805 3RD AVE.
NEW YORK, NY 10022
Assignment: 9
Reel/Frame:005884/0817   Pages: 2
Recorded: 10/16/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BERNHARDT, GUNTHER
Exec Dt:
09/27/1991
2
STEFFEN, KLAUS-DIETER
Exec Dt:
09/27/1991
3
HAAS, MARGRET
Exec Dt:
09/27/1991
4
KRAGL, HEINZ
Exec Dt:
09/27/1991
Assignee
1
HULS AKTIENGESELLSCHAFT, A GERMAN CORP.
PAUL-BAUMANN-STRASSE 1
POSTFACH 1320
MARL, GERMANY D-1320
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5117027
NONE
07777149
Correspondence name and address
FELFE & LYNCH
805 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 10
Reel/Frame:006091/0299   Pages: 2
Recorded: 04/07/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
03/17/1992
Assignee
1
HULS AKTIENGESELLSCHAFT
PAUL-BAUMMANN-STRASSE 1
MARL, GERMANY D-4370
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5334747
NONE
07864740
Correspondence name and address
SPRUNG, HORN, KRAMER AND WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 11
Reel/Frame:006739/0969   Pages: 2
Recorded: 10/19/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEFFEN, KLAUS-DIETER
Exec Dt:
10/08/1993
2
METZ, JOSEF
Exec Dt:
10/08/1993
Assignee
1
HULS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL, GERMANY D-45764
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5399778
NONE
08138750
Correspondence name and address
FELFE & LYNCH
WALTER G. WEISSENBERGER
805 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 12
Reel/Frame:007106/0757   Pages: 2
Recorded: 08/08/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
07/06/1994
Assignee
1
HULS AKTIENGESELLSCHAFT
KB FZ/PI-PATENTABTEILUNG/PB 15
PAUL-BAUMANN-STRASSE 1
MARL, GERMANY D-45764
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5510509
NONE
08287156
Correspondence name and address
FELFE & LYNCH
WALTLER G. WEISSENBERGER
805 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 13
Reel/Frame:007116/0813   Pages: 2
Recorded: 08/08/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
07/19/1994
Assignee
1
HULS AKTIENGESELLSCHAFT
KB FZ/PI-PATENTABTEILUNG
PAUL-BAUMANN-STRASSE 1
MARL, GERMANY D-45764
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5463111
NONE
08287157
Correspondence name and address
FELFE & LYNCH
C/O WALTER G. WEISSENBERGER
805 THIRD AVENUE
NEW YORK, NEW YORK 10022
Assignment: 14
Reel/Frame:007442/0264   Pages: 3
Recorded: 04/13/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
02/24/1995
Assignee
1
HUELS AKTIENGESELLSCHAFT
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5508396
NONE
08421237
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL
PAUL E. RAUCH, PH.D.
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 15
Reel/Frame:007750/0164   Pages: 3
Recorded: 10/17/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNHARDT, GUENTHER
Exec Dt:
09/04/1995
2
STEFFEN, KLAUS-DIETER
Exec Dt:
09/04/1995
3
HAAS, MARGRET
Exec Dt:
09/05/1995
4
KRAGL, HEINZ
Exec Dt:
09/04/1995
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL, GERMANY D-457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5856542
NONE
08543932
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER
TIMOTHY R. SCHWARTZ, PH.D.
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 16
Reel/Frame:008969/0794   Pages: 3
Recorded: 01/06/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
10/21/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5886219
NONE
09019792
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
FREDERICK D. VASTINE, PH.D.
1755 JEFFERSON DAVIS HWY., FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 17
Reel/Frame:009189/0599   Pages: 6
Recorded: 02/06/1998
Conveyance: (ASSIGNMENT OF ASSIGNOR'S INTEREST) RE-RECORD TO CORRECT THE RECORDATION DATE OF 01/06/98 TO 02/06/98. PREVIOUSLY RECORDED AT REEL 8969, FRAME 0794.
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
10/21/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5886219
NONE
09019792
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
FREDERICK D. VASTINE, PH.D.
ATTORNEYS AT LAW
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 18
Reel/Frame:009113/0888   Pages: 3
Recorded: 04/21/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STEFFEN, KLAUS-DIETER
Exec Dt:
01/08/1998
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5849949
NONE
09064005
Correspondence name and address
OBLON, SPIVAK, ET AL.
ATTORNEYS AT LAW
FREDERICK D. VASTINE
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 19
Reel/Frame:009540/0089   Pages: 3
Recorded: 10/27/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLEEMISS, WOLFGANG
Exec Dt:
09/12/1998
2
STEFFEN, KLAUS-DIETER
Exec Dt:
09/12/1998
3
FELD, MARCEL
Exec Dt:
09/12/1998
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45772 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6143920
NONE
09179189
Correspondence name and address
OBLON SPIVAK MCCLELLAND ET AL.
RICHARD L. CHINN
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202

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