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 : ZIRNSTEIN, MICHAEL
Total Assignments: 16
Assignment: 1
Reel/Frame:006643/0079   Pages: 2
Recorded: 07/29/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAAT, JOHN HERMAN HENDRIK TER
Exec Dt:
07/20/1993
2
MEYER, MARION
Exec Dt:
07/20/1993
3
OPPENLAENDER, KNUT
Exec Dt:
07/20/1993
4
ZIRNSTEIN, MICHAEL
Exec Dt:
07/20/1993
5
DENZINGER, WALTER
Exec Dt:
07/20/1993
6
FRANZ, LOTHAR
Exec Dt:
07/20/1993
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5424445
NONE
08099140
Correspondence name and address
KEIL & WEINDAUF
HERBERT B. KEIL
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036
Assignment: 2
Reel/Frame:008820/0525   Pages: 2
Recorded: 12/02/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DETERING, JUERGEN
Exec Dt:
06/13/1994
2
SCHADE, CHRISTIAN
Exec Dt:
06/13/1994
3
OPPENLAENDER, KNUT
Exec Dt:
06/13/1994
4
ZIRNSTEIN, MICHAEL
Exec Dt:
06/13/1994
5
SCHERR, GUENTER
Exec Dt:
06/13/1994
6
TRIESELT, WOLFGANG
Exec Dt:
06/13/1994
7
SCHWENDEMANN, VOLKER
Exec Dt:
06/13/1994
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5677384
NONE
08513800
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
NORMAN F. OBLON
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:008894/0696   Pages: 2
Recorded: 10/19/1995
Conveyance: (ASSIGNMENT OF ASSIGNOR'S INTEREST) RE-RECORD TO CORRECT THE RECORDATION DATE OF 12/02/97 TO 10/19/95, PREVIOUSLY RECORDED AT REEL 8820, FRAME 0525.
Assignors
1
DETERING, JUERGEN
Exec Dt:
06/13/1994
2
SCHADE, CHRISTIAN
Exec Dt:
06/13/1994
3
OPPENLAENDER, KNUT
Exec Dt:
06/13/1994
4
ZIRNSTEIN, MICHAEL
Exec Dt:
06/13/1994
5
SCHERR, GUENTER
Exec Dt:
06/13/1994
6
TRIESELT, WOLFGANG
Exec Dt:
06/13/1994
7
SCHWENDEMANN, VOLKER
Exec Dt:
06/13/1994
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5677384
NONE
08513800
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
NORMAN F. OBLON
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:008241/0200   Pages: 2
Recorded: 11/26/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIRNSTEIN, MICHAEL
Exec Dt:
04/20/1995
2
TRIESELT, WOLFGANG
Exec Dt:
04/20/1995
3
OPPENLAENDER, KNUT
Exec Dt:
04/20/1995
4
NILZ, CLAUDIA
Exec Dt:
04/20/1995
5
KROENER, MICHAEL
Exec Dt:
04/20/1995
6
GUENTHER, WOLFGANG
Exec Dt:
04/20/1995
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5863879
NONE
08722145
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
TIMOTHY R. SCHWARTZ
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 5
Reel/Frame:008745/0311   Pages: 3
Recorded: 10/16/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BECK, ERICH
Exec Dt:
12/07/1995
2
MEYER, FRANK
Exec Dt:
12/07/1995
3
POTH, ULRICH
Exec Dt:
12/07/1995
4
SIEMENSMEYER, KARL
Exec Dt:
12/07/1995
5
SIERAKOWSKI, CLAUDIA
Exec Dt:
12/07/1995
6
GREIF, NORBERT
Exec Dt:
12/07/1995
7
OSTERTAG, WERNER
Exec Dt:
12/07/1995
8
ZIRNSTEIN, MICHAEL
Exec Dt:
12/07/1995
9
LEYRER, REINHOLD
Exec Dt:
12/07/1995
10
JAHNS, EKKEHARD
Exec Dt:
12/07/1995
11
ETZBACH, KARL-HEINZ
Exec Dt:
12/07/1995
12
SCHUHMACHER, PETER
Exec Dt:
12/07/1995
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5798147
NONE
08836874
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
ATTORNEYS AT LAW
WILLIAM E. BEAUMONT
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 6
Reel/Frame:009128/0412   Pages: 2
Recorded: 04/22/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIRNSTEIN, MICHAEL
Exec Dt:
07/29/1996
2
SCHROEDER, JOERG
Exec Dt:
07/29/1996
3
KREUZER, ROBERT
Exec Dt:
07/29/1996
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5914072
NONE
08691317
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL
NORMAN F. OBLON
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 7
Reel/Frame:008548/0256   Pages: 3
Recorded: 06/02/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOKEL, NICOLAS
Exec Dt:
04/08/1997
2
HABERLE, KARL
Exec Dt:
04/08/1997
3
BEUTLER KUNO
Exec Dt:
04/08/1997
4
REICHERT, JERGEN
Exec Dt:
04/08/1997
5
WEYLAND, PETER
Exec Dt:
04/08/1997
6
DRALLE-VOSS, GABRIELE
Exec Dt:
04/08/1997
7
OPPENLANDER, KNUT
Exec Dt:
04/08/1997
8
ZIRNSTEIN, MICHAEL
Exec Dt:
04/08/1997
9
TISCHER, GERLINDE
Exec Dt:
04/15/1997
10
GUETTES, BERND
Exec Dt:
04/15/1997
11
LICHT, ULRIKE
Exec Dt:
04/08/1997
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5852104
NONE
08789539
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
NORMAN F. OBLON
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 8
Reel/Frame:010409/0171   Pages: 3
Recorded: 10/25/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOESSEL, PETER
Exec Dt:
04/30/1998
2
ZIRNSTEIN, MICHAEL
Exec Dt:
04/30/1998
3
SCHUNTER, WALTER
Exec Dt:
04/30/1998
4
WIRSING, PRIEDRICH
Exec Dt:
04/30/1998
5
KASEL, WOLFGANG
Exec Dt:
04/30/1998
6
OPPENLAENDER, KNUT
Exec Dt:
04/30/1998
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6509012
NONE
09403638
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 9
Reel/Frame:009965/0134   Pages: 3
Recorded: 05/12/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OPPENLAENDER, KNUT
Exec Dt:
01/12/1999
2
ZIRNSTEIN, MICHAEL
Exec Dt:
01/12/1999
3
TIEFENSEE, KRISTIN
Exec Dt:
01/12/1999
4
OETTER, GUENTER
Exec Dt:
01/12/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6165971
NONE
09310123
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W
WASHINGTON, D.C 20036
Assignment: 10
Reel/Frame:010376/0142   Pages: 3
Recorded: 11/04/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIRNSTEIN, MICHAEL
Exec Dt:
10/04/1999
2
RUCHATZ, FOLKER
Exec Dt:
10/04/1999
3
KOLTER, KARL
Exec Dt:
10/04/1999
4
OPPENLAENDER, KNUT
Exec Dt:
10/04/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6365637
NONE
09433548
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W
WASHINGTON, D.C 20036
Assignment: 11
Reel/Frame:010604/0133   Pages: 3
Recorded: 03/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIRNSTEIN, MICHAEL
Exec Dt:
12/13/1999
2
OETTER, GUENTER
Exec Dt:
12/13/1999
3
TIEFENSEE, KRISTINE
Exec Dt:
12/13/1999
4
OPPENLAENDER, KNUT
Exec Dt:
12/13/1999
5
DECKER, JUERGEN
Exec Dt:
12/13/1999
6
EHLE, MICHAEL
Exec Dt:
12/13/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6579846
NONE
09474827
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE, N.W.
WASHINGTON, D.C. 20036
Assignment: 12
Reel/Frame:012288/0373   Pages: 3
Recorded: 10/24/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIRNSTEIN, MICHAEL
Exec Dt:
08/27/2001
2
ROCK, TILMAN C.
Exec Dt:
08/22/2001
3
KOLTER, KARL
Exec Dt:
08/27/2001
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020076426
09983310
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W
WASHINGTON, D.C. 20036
Assignment: 13
Reel/Frame:013147/0124   Pages: 3
Recorded: 07/30/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIRNSTEIN, MICHAEL
Exec Dt:
04/29/2002
2
VOELKEL, LUDWIG
Exec Dt:
04/29/2002
3
KRONER, MATTHIAS
Exec Dt:
04/29/2002
4
BOHRES, EDWARD
Exec Dt:
04/29/2002
5
OFTRING, ALFRED
Exec Dt:
04/29/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020193624
10166143
Correspondence name and address
OBLON SPIVAK MCCLELLAND, ET AL.
NORMAN F. OBLON
1755 JEFFERSON DAVIS HWY, 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 14
Reel/Frame:013703/0956   Pages: 3
Recorded: 02/03/2003
Conveyance: SEE RECORDING AT REEL 013803 FRAME 0684. DOCUMENT RECORDED OVER TO CORRECT THE RECORDATION DATE FROM 2/03/2003 TO 01/29/2003.
Assignors
1
ANDRE, VALERIE
Exec Dt:
11/08/2002
2
BERTLEFF, WERNER
Exec Dt:
11/08/2002
3
BORZYK, OLIVER
Exec Dt:
11/08/2002
4
HUFF, JUERGEN
Exec Dt:
11/08/2002
5
NOERENBERG, RALF
Exec Dt:
11/08/2002
6
ZIRNSTEIN, MICHAEL
Exec Dt:
11/08/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6984451
US20040018357
10297597
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET.
NORMON F. OBLON
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:013803/0684   Pages: 3
Recorded: 01/29/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ANDRE, VALERIE
Exec Dt:
11/08/2002
2
BERTLEFF, WERNER
Exec Dt:
11/08/2002
3
BORZYK, OLIVER
Exec Dt:
11/08/2002
4
HUFF, JUERGEN
Exec Dt:
11/08/2002
5
NOERENBERG, RALF
Exec Dt:
11/08/2002
6
ZIRNSTEIN, MICHAEL
Exec Dt:
11/08/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6984451
US20040018357
10297597
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL
NORMAN F. OBLON
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 16
Reel/Frame:021176/0105   Pages: 5
Recorded: 07/01/2008
Attorney Dkt #:317154US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOHRES, EDWARD
Exec Dt:
06/01/2006
2
STOESSER, MICHAEL
Exec Dt:
06/08/2006
3
VOELKEL, LUDWIG
Exec Dt:
06/21/2006
4
RUPPEL, RAIMUND
Exec Dt:
05/30/2006
5
BAUM, EVA
Exec Dt:
05/21/2006
6
WAGNER, NORBERT
Exec Dt:
06/22/2006
7
SUNDERMEYER, JOERG
Exec Dt:
05/12/2006
8
GARRELTS, UDO
Exec Dt:
05/09/2006
9
ZIRNSTEIN, MICHAEL
Exec Dt:
06/28/2006
Assignee
1
BASF AKTIENGESELLSCHAFT
.
LUDWIGSHAFEN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080292526
11913484
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

Search Results as of: 05/02/2024 03:51 AM
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