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Patent Assignment Assignor Details
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Assignor Name : RITZ, JOSEF
Total Assignments: 25
Assignment: 1
Reel/Frame:004472/0298   Pages: 1
Recorded: 10/25/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GROSSKINSKY, OTTO-ALFRED
Exec Dt:
11/27/1984
2
FROMMER, ELMAR
Exec Dt:
11/27/1984
3
RITZ, JOSEF
Exec Dt:
11/27/1984
4
THOMAS, ERWIN
Exec Dt:
11/27/1984
5
WEISS, FRANZ-JOSEF
Exec Dt:
11/27/1984
Assignee
1
BASF AKTIENGESELLSCHAFT, 6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4576804
NONE
06677306
Correspondence name and address
KEIL & WEINKAUF
1101 CONN. AVE., N.W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:004569/0871   Pages: 1
Recorded: 06/30/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GROSSKINSKY, OTTO-ALFRED
Exec Dt:
12/10/1984
2
FROMMER, ELMAR
Exec Dt:
12/10/1984
3
RITZ, JOSEF
Exec Dt:
12/10/1984
4
THOMAS, ERWIN
Exec Dt:
12/10/1984
5
WEISS, FRANZ-JOSEF
Exec Dt:
12/10/1984
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4629613
NONE
06682071
Correspondence name and address
KEIL AND WEINKAUF
1101 CONN. AVE., N. W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:004594/0137   Pages: 1
Recorded: 08/25/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GROSSKINSKY, OTTO-ALFRED
Exec Dt:
12/10/1984
2
FROMMER, ELMAR
Exec Dt:
12/10/1984
3
RITZ, JOSEF
Exec Dt:
12/10/1984
4
THOMAS, ERWIN
Exec Dt:
12/10/1984
5
WEISS, FRANZ-JOSEF
Exec Dt:
12/10/1984
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4634584
NONE
06682068
Correspondence name and address
KEIL AND WEINKAUF
1101 CONN. AVE., N. W.
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:004518/0630   Pages: 1
Recorded: 03/03/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WEISS, FRANZ-JOSEF
Exec Dt:
12/17/1984
2
HABERMANN, WOLFGANG
Exec Dt:
12/17/1984
3
HAMMES, PETER
Exec Dt:
12/17/1984
4
RITZ, JOSEF
Exec Dt:
12/17/1984
5
THOMAS, ERWIN
Exec Dt:
12/17/1984
6
THOMA, PETER
Exec Dt:
12/17/1984
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LIUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4601800
NONE
06685255
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVENUE,N.W.
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:004427/0513   Pages: 1
Recorded: 07/11/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GROSSKINSKY, OTTO-ALFRED
Exec Dt:
12/18/1984
2
FROMMER, ELMAR
Exec Dt:
12/18/1984
3
RITZ, JOSEF
Exec Dt:
12/18/1984
4
THOMAS, ERWIN
Exec Dt:
12/18/1984
5
WEISS, FRANZ-JOSEF
Exec Dt:
12/18/1984
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4551318
NONE
06685257
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVENUE,N.W.
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:004773/0219   Pages: 1
Recorded: 10/26/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUCHS, HUGO
Exec Dt:
12/11/1986
2
WEISS, FRANZ-JOSEF
Exec Dt:
12/11/1986
3
THOMAS, ERWIN
Exec Dt:
12/11/1986
4
RITZ, JOSEF
Exec Dt:
12/11/1986
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4737354
NONE
07008343
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, DC 20036
Assignment: 7
Reel/Frame:004860/0601   Pages: 1
Recorded: 04/25/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUCHS, HUGO
Exec Dt:
01/08/1987
2
WEISS, FRANZ-JOSEF
Exec Dt:
01/08/1987
3
THOMAS, ERWIN
Exec Dt:
01/08/1987
4
RITZ, JOSEF
Exec Dt:
01/08/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4778669
NONE
07005700
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 8
Reel/Frame:004758/0895   Pages: 1
Recorded: 09/16/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUCHS, HUGO
Exec Dt:
02/26/1987
2
THOMAS, ERWIN
Exec Dt:
02/26/1987
3
WEISS, FRANZ-JOSEF
Exec Dt:
02/26/1987
4
RITZ, JOSEF
Exec Dt:
02/26/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4725360
NONE
07022875
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 9
Reel/Frame:004965/0148   Pages: 1
Recorded: 10/13/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NEUBAUER, GERALD
Exec Dt:
10/12/1987
2
SCHNABEL, ROLF
Exec Dt:
10/12/1987
3
HARTIG, JUERGEN
Exec Dt:
10/12/1987
4
RITZ, JOSEF
Exec Dt:
10/12/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4814511
NONE
07111605
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVENUE, N. W.
WASHINGTON, DC 20036
Assignment: 10
Reel/Frame:005138/0476   Pages: 1
Recorded: 08/22/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUCHS, HUGO
Exec Dt:
04/13/1988
2
RITZ, JOSEF
Exec Dt:
04/13/1988
3
THOMAS, ERWIN
Exec Dt:
04/13/1988
4
WEISS, FRANZ-JOSEF
Exec Dt:
04/13/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4889704
NONE
07184085
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, DC 20036
Assignment: 11
Reel/Frame:005133/0673   Pages: 1
Recorded: 08/22/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NEUBAUER, GERALD
Exec Dt:
09/14/1988
2
DE DECKER, EMILE
Exec Dt:
09/29/1988
3
FUCHS, HUGO
Exec Dt:
09/14/1988
4
HOLZKNECHT, BERNHARD
Exec Dt:
09/14/1988
5
RITZ, JOSEF
Exec Dt:
09/14/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4882430
NONE
07257274
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVENUE, N.W.,
WASHINGTON, DC 20036
Assignment: 12
Reel/Frame:005229/0473   Pages: 1
Recorded: 02/08/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUCHS, HUGO
Exec Dt:
10/23/1989
2
AGAR, DAVID
Exec Dt:
10/23/1989
3
NEUBAUER, GERALD
Exec Dt:
10/23/1989
4
RITZ, JOSEF
Exec Dt:
10/23/1989
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4931592
NONE
07429799
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 13
Reel/Frame:005318/0563   Pages: 2
Recorded: 05/09/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUCHS, HUGO
Exec Dt:
05/02/1990
2
NEUBAUER, GERALD
Exec Dt:
05/02/1990
3
RITZ, JOSEF
Exec Dt:
05/02/1990
4
WEISS, FRANZ-JOSEF
Exec Dt:
05/02/1990
Assignee
1
BASF AKTIENGESELLSCHAFT
LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY 6700
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4997635
NONE
07521031
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE. N.W.
WASHINGTON, DC 20036
Assignment: 14
Reel/Frame:005374/0232   Pages: 2
Recorded: 07/12/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NEUBAUER, GERALD
Exec Dt:
06/25/1990
2
RITZ, JOSEF
Exec Dt:
06/25/1990
3
FUCHS, HUGO
Exec Dt:
06/25/1990
4
AGAR, DAVID
Exec Dt:
06/25/1990
5
FISCHER, ROLF
Exec Dt:
06/25/1990
6
VAGT, UWE
Exec Dt:
06/25/1990
Assignee
1
BASF AKTIENGESELLSCHAFT,
6700 LUDWIGSHAFEN,
RHEINLAND-PFALZ,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5032684
NONE
07551790
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 15
Reel/Frame:005583/0130   Pages: 2
Recorded: 01/18/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUCHS, HUGO
Exec Dt:
12/18/1990
2
NEUBAUER, GERALD
Exec Dt:
12/18/1990
3
RITZ, JOSEF
Exec Dt:
12/18/1990
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5124138
NONE
07631155
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE, NW
WASHINGTON, DC 20036
Assignment: 16
Reel/Frame:005848/0224   Pages: 2
Recorded: 09/16/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WEISS, FRANZ-JOSEF
Exec Dt:
07/18/1991
2
FUCHS, HUGO
Exec Dt:
07/18/1991
3
STEIGLEITER, WERNER
Exec Dt:
07/18/1991
4
HOELDERICH, WOLFGANG
Exec Dt:
07/18/1991
5
GUNS, LUC
Exec Dt:
07/18/1991
6
NEUBAUER, GERALD
Exec Dt:
07/18/1991
7
RITZ, JOSEF
Exec Dt:
07/18/1991
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5120699
NONE
07730758
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE, NW
WASHINGTON, DC 20036
Assignment: 17
Reel/Frame:005848/0222   Pages: 2
Recorded: 09/16/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
STEIGLEITER, WERNER
Exec Dt:
07/30/1991
2
HOELDERICH, WOLFGANG
Exec Dt:
07/30/1991
3
WEISS, FRANZ-JOSEF
Exec Dt:
07/30/1991
4
FUCHS, HUGO
Exec Dt:
07/30/1991
5
GUNS, LUC
Exec Dt:
07/30/1991
6
NEUBAUER, GERALD
Exec Dt:
07/30/1991
7
RITZ, JOSEF
Exec Dt:
07/30/1991
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5155081
NONE
07730756
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE, NW
WASHINGTON, DC 20036
Assignment: 18
Reel/Frame:006229/0211   Pages: 2
Recorded: 07/27/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUCHS, HUGO
Exec Dt:
07/08/1992
2
WEISS, FRANZ-JOSEF
Exec Dt:
07/08/1992
3
RITZ, JOSEF
Exec Dt:
07/08/1992
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5236685
NONE
07919334
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, DC 20036
Assignment: 19
Reel/Frame:006272/0230   Pages: 2
Recorded: 09/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUCHS, HUGO
Exec Dt:
08/25/1992
2
NEUBAUER, GERALD
Exec Dt:
08/25/1992
3
RITZ, JOSEF
Exec Dt:
08/25/1992
Assignee
1
BASF AKTIENGESELLSCHAFT, LUDWIGSHAFEN, GERMANY
LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5264571
NONE
07954731
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
ATTN: HERBERT B. KEIL
Assignment: 20
Reel/Frame:006557/0646   Pages: 2
Recorded: 04/29/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUCHS, HUGO
Exec Dt:
04/26/1993
2
NEUBAUER, GERALD
Exec Dt:
04/26/1993
3
RITZ, JOSEF
Exec Dt:
04/26/1993
4
PRIESTER, CLAUS-ULRICH
Exec Dt:
04/26/1993
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5359062
NONE
08054064
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, DC 20036
Assignment: 21
Reel/Frame:006630/0406   Pages: 2
Recorded: 06/24/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUCHS, HUGO
Exec Dt:
05/19/1993
2
PRIESTER, CLAUS ULRICH
Exec Dt:
05/19/1993
3
NEUBAUER, GERALD
Exec Dt:
05/19/1993
4
BRUNNER, ERWIN
Exec Dt:
05/19/1993
5
RITZ, JOSEF
Exec Dt:
05/19/1993
6
KOPIETZ, MICHAEL
Exec Dt:
05/19/1993
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5360905
NONE
08060972
Correspondence name and address
HERBERT B.KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
Assignment: 22
Reel/Frame:007059/0807   Pages: 2
Recorded: 06/27/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUCHS, HUGO
Exec Dt:
06/18/1994
2
RITZ, JOSEF
Exec Dt:
06/18/1994
3
WILFINGER, HANS JOERG
Exec Dt:
06/18/1994
4
WEATHERFORD, DAVID
Exec Dt:
06/18/1994
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5441607
NONE
08265740
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 23
Reel/Frame:007357/0950   Pages: 3
Recorded: 02/08/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOPIETZ, MICHAEL
Exec Dt:
01/17/1995
2
JONES, SIMON
Exec Dt:
12/23/1994
3
PRIESTER, CLAUS-ULRICH
Exec Dt:
01/17/1995
4
RITZ, JOSEF
Exec Dt:
01/17/1995
5
PIJL, PAUL
Exec Dt:
01/17/1995
6
HANDERMAN, ALAN
Exec Dt:
01/30/1995
7
KALCK, ULRICH
Exec Dt:
12/13/1994
8
AUER, HEINZ
Exec Dt:
01/17/1995
9
FUCHS, HUGO
Exec Dt:
01/17/1995
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5536831
NONE
08355285
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
Assignment: 24
Reel/Frame:007386/0645   Pages: 2
Recorded: 03/07/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITZ, JOSEF
Exec Dt:
01/25/1995
2
FISCHER, ROLF
Exec Dt:
01/25/1995
3
SCHNURR, WERNER
Exec Dt:
01/25/1995
4
ACHHAMMER, GUENTHER
Exec Dt:
01/25/1995
5
LUYKEN, HERMANN
Exec Dt:
01/25/1995
6
FUCHS, EBERHARD
Exec Dt:
01/25/1995
Assignee
1
BASF AKTIENGESELLSCHAFT
67056
LUDWIGSHAFEN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5496941
NONE
08375410
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 25
Reel/Frame:008241/0927   Pages: 2
Recorded: 10/24/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITZ, JOSEF
Exec Dt:
10/15/1996
2
FUCHS, EBERHARD
Exec Dt:
10/15/1996
3
VOIT, GUIDO
Exec Dt:
10/15/1996
4
ACHHAMMER, GUENTHER
Exec Dt:
10/15/1996
5
FISCHER, ROLF
Exec Dt:
10/15/1996
Assignee
1
BASF AKTINEGESSELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5693793
NONE
08707476
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036

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