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 : SPRENGER, GEORG
Total Assignments: 8
Assignment: 1
Reel/Frame:010344/0429   Pages: 2
Recorded: 10/27/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/24/1999
2
Exec Dt:
10/02/1999
3
Exec Dt:
09/15/1999
4
Exec Dt:
08/05/1999
5
Exec Dt:
06/02/1999
Assignees
1
KOESTRAAT 1
6167 RA GELEEN, NETHERLANDS
2
KOESTRAAT 1
D-52425 JULICH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09298843
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
ANN S. HOBBS, PH.D.
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 2
Reel/Frame:014200/0528   Pages: 6
Recorded: 06/20/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/02/2003
2
Exec Dt:
04/02/2003
3
Exec Dt:
04/02/2003
4
Exec Dt:
04/02/2003
5
Exec Dt:
04/02/2003
6
Exec Dt:
04/02/2003
7
Exec Dt:
04/02/2003
8
Exec Dt:
04/02/2003
Assignee
1
WILHELM - JOHNEN STRASSE
POSTFACH 1913
JULICH, GERMANY 52425
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10377169
Correspondence name and address
KLAUS J. BACH
4407 TWIN OAKS LANE
MURRYSVILLE, PA 15668
Assignment: 3
Reel/Frame:016694/0055   Pages: 3
Recorded: 05/16/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/03/2004
2
Exec Dt:
05/27/2004
3
Exec Dt:
05/28/2004
4
Exec Dt:
05/28/2004
5
Exec Dt:
05/28/2004
Assignees
1
HET OVERLOON 1
6411 TE HEERLEN, NETHERLANDS
2
KARL-HEINZ-BECKRTS-STR. 13
D-52428 JULICH, GERMANY
3
FACHBEREICH PATENTE
D-52425 JULICH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10497587
Correspondence name and address
MAYER, BROWN, ROWE & MAW LLP
1909 K STREET, N.W.
WASHINGTON, DC 20006
Assignment: 4
Reel/Frame:019027/0010   Pages: 9
Recorded: 03/15/2007
Attorney Dkt #:4662-437
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/11/2006
2
Exec Dt:
12/11/2006
3
Exec Dt:
12/11/2006
4
Exec Dt:
12/11/2006
5
Exec Dt:
12/11/2006
6
Exec Dt:
12/11/2006
7
Exec Dt:
12/11/2006
Assignees
1
NIEDERKASSELER LOHWEG 175
DUSSELDORF, GERMANY 40547
2
HET OVERLOON 1
TE HEERLEN, NETHERLANDS 6411
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11628459
Correspondence name and address
BRYAN H. DAVIDSON
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD
11TH FLOOR
ARLINGTON, VA 22203
Assignment: 5
Reel/Frame:021286/0953   Pages: 5
Recorded: 07/17/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/27/2007
2
Exec Dt:
06/14/2007
3
Exec Dt:
06/25/2007
4
Exec Dt:
06/20/2007
Assignee
1
HET OVERLOON 1
TE HEERLEN, NETHERLANDS 6411
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10513424
Correspondence name and address
GARY R. TANIGAWA
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD
11TH FLOOR
ARLINGTON, VA 22203
Assignment: 6
Reel/Frame:028539/0147   Pages: 3
Recorded: 07/12/2012
Attorney Dkt #:SPRENGER-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/23/2012
Assignee
1
AM INDUSTRIEPARK 2
46562 VOERDE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13473147
Correspondence name and address
HENRY M FEIEREISEN, LLC HENRY M FEIEREIS
708 THIRD AVENUE
SUITE 1501
NEW YORK, NY 10017
Assignment: 7
Reel/Frame:040869/0360   Pages: 4
Recorded: 01/06/2017
Attorney Dkt #:074037-0019-550489
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/22/2015
2
Exec Dt:
12/22/2015
3
Exec Dt:
01/31/2016
Assignee
1
CARL-BOSCH-STRASSE 38
LUDWIGSHAFEN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
15324309
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 8
Reel/Frame:041095/0682   Pages: 11
Recorded: 01/26/2017
Attorney Dkt #:BMS131142US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/25/2016
2
Exec Dt:
08/26/2016
3
Exec Dt:
09/07/2016
4
Exec Dt:
08/25/2016
5
Exec Dt:
08/24/2016
6
Exec Dt:
08/26/2016
7
Exec Dt:
09/02/2016
8
Exec Dt:
09/10/2016
9
Exec Dt:
09/02/2016
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15119825
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

Search Results as of: 05/23/2024 09:08 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