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 : DUEMBGEN, GERD
Total Assignments: 9
Assignment: 1
Reel/Frame:003809/0357   Pages: 1
Recorded: 11/05/1980
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HERRMAN, WALTER
Exec Dt:
05/12/1977
2
SCHOLZ, NORBERT
Exec Dt:
05/12/1977
3
ENGELBACH, HEINZ
Exec Dt:
05/12/1977
4
ENGERT, GERD-JUERGEN
Exec Dt:
05/12/1977
5
WILLERSINN, CARL-HEINZ
Exec Dt:
05/12/1977
6
DUEMBGEN, GERD
Exec Dt:
05/12/1977
7
THIESSEN, FRITZ
Exec Dt:
05/12/1977
8
KRABETZ RICHARD
Exec Dt:
05/12/1977
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4259211
NONE
05963203
Correspondence name and address
KEIL & WITHERSPOON
1100 CONNECTICUT AVE., N. W.
WASHINGTON, D. C. 20036
Assignment: 2
Reel/Frame:004463/0846   Pages: 1
Recorded: 10/07/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DANZ, ECKEHARD
Exec Dt:
01/18/1983
2
DUEMBGEN, GERD
Exec Dt:
01/18/1983
3
MIESEN, ERNEST
Exec Dt:
01/18/1983
4
SCHMIDT, JOHANNES E.
Exec Dt:
01/18/1983
5
WIRTH, FRIEDRICH
Exec Dt:
01/18/1983
Assignee
1
BASF AKTIENGESELLSHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4568427
NONE
06465767
Correspondence name and address
KEIL AND WITHERSPOON
1101 CONN AVENUE, N.W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:005244/0810   Pages: 1
Recorded: 03/07/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KRABETZ, RICHARD
Exec Dt:
02/16/1983
2
DUEMBGEN, GERD
Exec Dt:
02/16/1983
3
NEES, FRIEDBERT
Exec Dt:
02/16/1983
4
MERGER, FRANZ
Exec Dt:
02/16/1983
5
FOUQUET, GERD
Exec Dt:
02/16/1983
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4925823
NONE
06875516
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER
CRYSTAL SQUARE FIVE, STE. 400
1755 S. JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:004309/0002   Pages: 1
Recorded: 10/09/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUEMBGEN, GERD
Exec Dt:
03/16/1983
2
FOUQUET, GERD
Exec Dt:
03/16/1983
3
KRABETZ, RICHARD
Exec Dt:
03/16/1983
4
LUCAS, EKHART
Exec Dt:
03/16/1983
5
MERGER, FRANZ
Exec Dt:
03/16/1983
6
NEES, FRIEDBERT
Exec Dt:
03/16/1983
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN,
RHEINLAND-PFALZ,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4496770
NONE
06479475
Correspondence name and address
JOHN H. SHURTLEFF
140 S. DEARBORN ST., STE. 411
CHICAGO, IL 60603
Assignment: 5
Reel/Frame:004367/0047   Pages: 1
Recorded: 02/26/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BAER, KARL
Exec Dt:
02/17/1984
2
BASSLER, PETER
Exec Dt:
02/17/1984
3
DUEMBGEN, GERD
Exec Dt:
02/17/1984
4
FOUQUET, GERD
Exec Dt:
02/17/1984
5
KRABETZ, RICHARD
Exec Dt:
02/17/1984
6
MERGER, FRANZ
Exec Dt:
02/17/1984
7
NEES, FRIEDBERT
Exec Dt:
02/17/1984
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4520125
NONE
06582727
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND & MAIER
CRYSTAL SQUARE 5 - STE. 400
1755 S. JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 6
Reel/Frame:004507/0396   Pages: 1
Recorded: 01/31/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUEMBGEN, GERD
Exec Dt:
03/02/1984
2
FOUQUET, GERD
Exec Dt:
03/02/1984
3
KRABETZ, RICHARD
Exec Dt:
03/02/1984
4
MERGER, FRANZ
Exec Dt:
03/02/1984
5
NEES, FRIEDBERT
Exec Dt:
03/02/1984
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4595778
NONE
06587118
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER, CRYSTAL SQUARE FIVE
STE. 400, 1755 S. JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 7
Reel/Frame:004489/0654   Pages: 1
Recorded: 12/23/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WEBER, GUENTER
Exec Dt:
06/13/1984
2
BROECKER, FRANZ J.
Exec Dt:
05/16/1984
3
DUEMBGEN, GERD
Exec Dt:
05/16/1984
4
PIES, WOLFGANG
Exec Dt:
05/16/1984
5
SCHLICHTHAERLE, GOTTFRIED
Exec Dt:
05/16/1984
Assignees
1
BASF AKTIENGESELLSCHAFT, 6700 LUDWIGSHAFEN, GERMANY
2
LINDE AKTIENGESELLSCHAFT, 6200 WIESBADEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4623668
NONE
06614142
Correspondence name and address
KEIL & WEINKAUF
1101 CONN AVE., N. W.,
WASHINGTON, DC 20036
Assignment: 8
Reel/Frame:005717/0496   Pages: 2
Recorded: 06/03/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KRABETZ, RICHARD
Exec Dt:
06/22/1988
2
DUEMBGEN, GERD
Exec Dt:
06/22/1988
3
MERGER, FRANZ
Exec Dt:
06/22/1988
4
JAEGER, MICHAEL
Exec Dt:
06/22/1988
5
THIESSEN, FRITZ
Exec Dt:
06/22/1988
6
VOGEL, HERBERT
Exec Dt:
06/22/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5087744
NONE
07213837
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND
& MAIER
CRYSTAL SQUARE FIVE, STE. 400
1755 SOUTH JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 9
Reel/Frame:006241/0325   Pages: 2
Recorded: 08/25/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BOEHNING, KARL-HEINZ
Exec Dt:
09/11/1991
2
DUEMBGEN, GERD
Exec Dt:
09/11/1991
3
HAMMON, ULRICH
Exec Dt:
09/11/1991
4
KRABETZ, RICHARD
Exec Dt:
08/20/1991
5
MERGER, FRANZ
Exec Dt:
09/11/1991
6
SCHWARZMANN, MATTHIAS
Exec Dt:
09/11/1991
7
THIESSEN, FRITZ
Exec Dt:
07/11/1991
8
VOGEL, HERBERT
Exec Dt:
08/09/1991
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5173468
NONE
07729169
Correspondence name and address
MARVIN J. SPIVAK
OBLON, SPIVAK, MCCLELLAND
MAIER & NEUSTADT
1755 JEFF. DAVIS HWY., 4TH FL.
ARLINGTON, VA 22202

Search Results as of: 04/29/2024 09:29 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