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 : KLESPER, WALTER
Total Assignments: 7
Assignment: 1
Reel/Frame:013503/0806   Pages: 2
Recorded: 11/18/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GESTERMANN, FRITZ
Exec Dt:
10/21/2002
2
BULAN, ANDREAS
Exec Dt:
10/15/2002
3
KLESPER, WALTER
Exec Dt:
10/28/2002
4
PINTER, HANS-DIETER
Exec Dt:
10/15/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6841047
US20030047446
10214480
Correspondence name and address
BAYER CORPORATION
GODFRIED R. AKORLI
100 BAYER ROAD
PITTSBURGH PA 15205-9741
Assignment: 2
Reel/Frame:014175/0894   Pages: 2
Recorded: 12/04/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GESTERMANN, FRITZ
Exec Dt:
07/08/2003
2
BULAN, ANDREAS
Exec Dt:
07/14/2003
3
MALCHOW, RICHARD
Exec Dt:
07/14/2003
4
PINTER, HANS-DIETER
Exec Dt:
07/08/2003
5
KLESPER, WALTER
Exec Dt:
07/14/2003
Assignee
1
BAYER AKTIENGESELLSCHAT
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040069621
10614865
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
SUSAN E. SHAW MCBEE
1990 M STRET, N.W., SUITE 800
WASHINGTON, DC 20036-3425
Assignment: 3
Reel/Frame:015303/0066   Pages: 2
Recorded: 10/28/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BULAN, ANDREAS
Exec Dt:
02/20/2004
2
GESTERMANN, FRITZ
Exec Dt:
02/20/2004
3
PINTER, HANS-DIETER
Exec Dt:
02/25/2004
4
WEUTA, PETER
Exec Dt:
03/01/2004
5
KLESPER, WALTER
Exec Dt:
02/24/2004
Assignee
1
BAYER MATERIALSCIENCE AG
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6838408
US20040182695
10815711
Correspondence name and address
CONNOLLY BOVE LODGE ET AL.
SUSAN E. SHAW MCBEE
1990 M STREET, N.W, SUITE 800
WASHINGTON, DC 20036-3425
Assignment: 4
Reel/Frame:015814/0342   Pages: 2
Recorded: 04/23/2004
Attorney Dkt #:22133-00013-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PINTER, HANS-DIETER
Exec Dt:
03/03/2004
2
BULAN, ANDREAS
Exec Dt:
03/03/2004
3
KLESPER, WALTER
Exec Dt:
03/03/2004
4
GESTERMANN, FRITZ
Exec Dt:
03/15/2004
Assignee
1
BAYER MATERIALSCIENCE AG
KONZERNBEREICH BP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040262153
10493441
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
SUSAN E. SHAW MCBEE
1990 M STREET, N.W., SUITE 800
WASHINGTON, D.C. 20036-3425
Assignment: 5
Reel/Frame:015695/0838   Pages: 2
Recorded: 04/23/2004
Attorney Dkt #:22133-00012-us
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BULAN, ANDREAS
Exec Dt:
03/11/2004
2
GESTERMANN, FRITZ
Exec Dt:
03/17/2004
3
PINTER, HANS-DIETER
Exec Dt:
03/19/2004
4
KLESPER, WALTER
Exec Dt:
03/11/2004
Assignee
1
BAYER MATERIALSCIENCE AG
KONZERNBEREICH BP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040251127
10493440
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
SUSAN E. SHAW MCBEE
1990 M STREET, N.W., SUITE 800
WASHINGTON, D.C. 20036-3425
Assignment: 6
Reel/Frame:015734/0240   Pages: 2
Recorded: 04/23/2004
Attorney Dkt #:22133-00011-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PINTER, HANS-DIETER
Exec Dt:
03/26/2004
2
BULAN, ANDREAS
Exec Dt:
03/26/2004
3
KLESPER, WALTER
Exec Dt:
03/26/2004
4
GESTERMANN, FRITZ
Exec Dt:
03/26/2004
Assignee
1
BAYER MATERIALSCIENCE AG
KONZERNBEREICH BP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040245095
10493485
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
SUSAN E. SHAW MCBEE
1990 M STREET, N.W. SUITE 800
WASHINGTON, DC 20036-3425
Assignment: 7
Reel/Frame:027803/0241   Pages: 2
Recorded: 03/05/2012
Attorney Dkt #:14069-00348
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BULAN, ANDREAS
Exec Dt:
02/02/2012
2
KLESPER, WALTER
Exec Dt:
02/06/2012
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120231353
13411739
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899

Search Results as of: 05/24/2024 10:45 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