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 : PRUECHER, HELMUT
Total Assignments: 8
Assignment: 1
Reel/Frame:010720/0720   Pages: 2
Recorded: 03/30/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOETTCHER, HENNING
Exec Dt:
09/10/1999
2
PRUECHER, HELMUT
Exec Dt:
09/10/1999
3
GREINER, HARTMUT
Exec Dt:
09/10/1999
4
BARTOSZYK, GERD
Exec Dt:
09/10/1999
5
SEYFRIED, CHRISTOPH
Exec Dt:
09/10/1999
Assignee
1
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
64271 DARMSTADT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6462056
NONE
09380202
Correspondence name and address
MILLEN, WHITE, ZELANO, ET AL.
NANCY J. ROBINS
ARLINGTON COURT PLAZA I
2200 CLARENDON BLVD., SUITE 1400
ARLINGTON, VA 22201
Assignment: 2
Reel/Frame:010850/0590   Pages: 2
Recorded: 05/30/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOETTCHER, HENNING
Exec Dt:
04/14/2000
2
PRUECHER, HELMUT
Exec Dt:
04/14/2000
3
GREINER, HARTMUT
Exec Dt:
04/14/2000
4
SEYFRIED, CHRISTOPH
Exec Dt:
04/14/2000
5
BARBER, ANDREW
Exec Dt:
04/14/2000
6
MARTINEZ, JOSEPH-MARIA
Exec Dt:
04/14/2000
Assignee
1
MERCK PATENT GELLSCHAFT MIT BESCHRANKTER HAFTUNG
D-64271 DARMSTADT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6333339
NONE
09445587
Correspondence name and address
MILLEN, WHITE, ZELANO ETAL
ANTHONY J. ZELANO
ARLINGTON COURT PLAZA, SUITE 1400
2200 CLARENDON BLVD.
ARLINGTON
Assignment: 3
Reel/Frame:011250/0498   Pages: 2
Recorded: 10/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRUECHER, HELMUT
Exec Dt:
07/20/2000
2
LEIBROCK, JOACHIM
Exec Dt:
07/20/2000
3
BARBER, ANDREW
Exec Dt:
07/20/2000
4
BARTOSZYK, GERD
Exec Dt:
07/20/2000
Assignee
1
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
FRANKFURTER STRASSE 250
D-64293, DARMSTADT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6548516
NONE
09646185
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
TRACY A. LUKE
2200 CLARENDON BLVD.
SUITE 1400, ARLINGTON COURT PLAZA I
ARLINGTON, VA 22201
Assignment: 4
Reel/Frame:012924/0957   Pages: 6
Recorded: 02/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRUECHER, HELMUT
Exec Dt:
12/27/2001
2
BOETTCHER, HENNING
Exec Dt:
12/27/2001
3
ACKERMANN, KARL-AUGUST
Exec Dt:
12/27/2001
4
GOTTSCHLICH, RUDOLF
Exec Dt:
12/27/2001
5
VAN AMSTERDAM, CHRISTOPH
Exec Dt:
12/27/2001
6
SEYFREID, CHRISTOPH
Exec Dt:
12/27/2001
7
HARTING, JUERGEN
Exec Dt:
12/27/2001
8
BARTOSZYK, GERD
Exec Dt:
12/27/2001
9
GREINER, HARTMUT
Exec Dt:
12/27/2001
Assignee
1
MERCK PATENT GMBH
FRANKFURTER STRASSE 250
DARMSTADT, GERMANY D-642
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6756370
NONE
10069054
Correspondence name and address
MILLEN, WHITE, ZELANO ET AL.
JULIANNE M MURRAY
2200 CLARENDON BOULEVARD
SUITE 1400
ARLINGTON, VA 22201
Assignment: 5
Reel/Frame:013839/0725   Pages: 5
Recorded: 11/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACKERMANN, KARL-AUGUST
Exec Dt:
10/30/2002
2
BOETTCHER, HENNING
Exec Dt:
10/30/2002
3
PRUECHER, HELMUT
Exec Dt:
10/30/2002
4
V.AMSTERDAM, CHRISTOPH
Exec Dt:
10/30/2002
5
SEYFRIED, CHRISTOPH
Exec Dt:
10/30/2002
6
GREINER, HARTMUT
Exec Dt:
10/30/2002
7
BARTOSZYK, GERD
Exec Dt:
10/30/2002
8
HARTING, JUERGEN
Exec Dt:
10/30/2002
Assignee
1
MERCK PATENT GMBH
FRANKFURTER STRASSE 250
DARMSTADT, GERMANY D-64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030130287
10169399
Correspondence name and address
MILLEN WHITE ZELANO & BRANIGAN, PC
JULIANNE E. MURRAY
2200 CLARENDON BOULEVARD
SUITE 1400
ARLINGTON, VA 22201
Domestic representative
Assignment: 6
Reel/Frame:014121/0589   Pages: 2
Recorded: 02/21/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOTTSCHLICH, RUDOLF
Exec Dt:
12/16/2002
2
ACKERMANN, KARL-AUGUST
Exec Dt:
12/16/2002
3
PRUECHER, HELMUT
Exec Dt:
12/16/2002
4
SEYFRIED, CHRISTOPH
Exec Dt:
12/16/2002
5
BARTOSZYK, GERD
Exec Dt:
12/16/2002
6
VAN AMSTERDAM, CHRISTOPH
Exec Dt:
12/16/2002
Assignee
1
MERCK PATENT GMBH
FRANKFURTER STRASSE 250
DARMSTADT, GERMANY D-64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040014768
10362236
Correspondence name and address
MILLEN, WHITE ZELANO ET AL.
JULIANNE E. MURRAY
2200 CLARENDON BLVD., SUITE 1400
ARLINGTON COURT PLAZA I
ARLINGTON, VA 22201
Assignment: 7
Reel/Frame:016266/0354   Pages: 2
Recorded: 07/19/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOELZEMANN, GUENTER
Exec Dt:
05/26/2004
2
PRUECHER, HELMUT
Exec Dt:
05/26/2004
3
SCHIEMANN, KAI
Exec Dt:
05/26/2004
4
LEIBROCK, JOACHIM
Exec Dt:
05/26/2004
5
GREINER, HARTMUT
Exec Dt:
05/26/2004
6
BURGER, CHRISTA
Exec Dt:
05/26/2004
7
MELCHNER, LAURIE VON
Exec Dt:
05/26/2004
Assignee
1
MERCK PATENT GMBH
FRANKFURTER STRASSE 250
DARMSTADT, GERMANY D-64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050131021
10501763
Correspondence name and address
MILLEN, WHITE, ZELANO ET AL.
ARLINGTON COURT PLAZA I
SUITE 1400
2200 CLARENDON BLVD.
ARLINGTON, VA 22201
Assignment: 8
Reel/Frame:016294/0564   Pages: 2
Recorded: 09/13/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHADT, OLIVER
Exec Dt:
07/29/2004
2
LEIBROCK, JOACHIM
Exec Dt:
07/29/2004
3
PRUECHER, HELMUT
Exec Dt:
07/29/2004
4
SEYFRIED, CHRISTOPH
Exec Dt:
07/29/2004
Assignee
1
MERCK PATENT GMBH
DARMSTADT, GERMANY 64271
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7816376
US20050124627
10507581
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
ARLINGTON COURT PLAZA I
SUITE 1400
2200 CLARENDON BLVD.
ARLINGTON, VA 22201

Search Results as of: 05/10/2024 02:12 PM
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