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 : EISTETTER, KLAUS
Total Assignments: 13
Assignment: 1
Reel/Frame:003821/0486   Pages: 1
Recorded: 01/21/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
EISTETTER, KLAUS
Exec Dt:
07/20/1977
2
SCHAEFER, HARTMANN
Exec Dt:
07/20/1977
3
MENGE, HEINZ GUNTER
Exec Dt:
07/20/1977
Assignee
1
BYK GULDEN LOMBERG CHEMISCHE FABRIK GMBH
BYK GULDEN-STRASSE 2
D-7750 KONSTANTZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4279918
NONE
05819460
Correspondence name and address
BERMAN, AISENBERG & PLATT
1730 R. I. AVE., N. W.
WASHINGTON, D. C. 20036
Assignment: 2
Reel/Frame:003914/0364   Pages: 1
Recorded: 10/02/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
EISTETTER, KLAUS
Exec Dt:
08/25/1980
2
RAPP, ERICH
Exec Dt:
08/25/1980
Assignee
1
BYK GULDEN LOMBERG CHEMISCHE FABRIK GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
BYK-GULDEN-STRASSE 2
D-7750 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4324796
NONE
06182934
Correspondence name and address
BERMAN, AISENBERG & PLATT
1730 R. I. AVE., N. W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:003966/0728   Pages: 1
Recorded: 03/26/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
EISTETTER, KLAUS
Exec Dt:
03/02/1982
2
RAPP, ERICH
Exec Dt:
03/05/1982
Assignee
1
BYK GULDEN LOMBERG CHEMISCHE FABRIK GMBH
BYK-GULDEN-STRASSE 2
D-7750 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4337267
NONE
06250627
Correspondence name and address
BERMAN, AISENBERG & PLATT
1730 RHODE ISLAND AVE., N. W.
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:004195/0702   Pages: 1
Recorded: 11/25/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
EISTETTER, KLAUS
Exec Dt:
03/02/1982
2
RAPP, ERICH
Exec Dt:
03/05/1982
Assignee
1
BYK GULDEN LOMBERG CHEMISCHE FABRIK GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
BYK-GULDEN-STRASSE 2
D-7750 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4430339
NONE
06371294
Correspondence name and address
BERMAN, AISENBERG & PLATT
1730 RHODE ISLAND AVENUE, N. W.
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:004123/0904   Pages: 1
Recorded: 05/06/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
EISTETTER, KLAUS
Exec Dt:
04/27/1983
2
RAPP, ERICH
Exec Dt:
04/28/1983
3
WOLF, HORST
Exec Dt:
04/27/1983
Assignee
1
BYK GULDEN LOMBERG CHEMISCHE FABRIK GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
BYK-GULDEN-STRASSE 2
D-7750 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4395414
NONE
06256247
Correspondence name and address
BERMAN, AISENBERG & PLATT
1730 RHODE ISLAND AVE., N. W.
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:005243/0392   Pages: 1
Recorded: 03/06/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WOLF, HORST
Exec Dt:
03/19/1987
2
EISTETTER, KLAUS
Exec Dt:
03/19/1987
Assignee
1
KLAUS EISTETTER BYK GULDEN LOMBERG CHEMISCHE FABRIK GMBH
BYK-GULDEN-STRASSE 2
D-7750 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4946866
NONE
07044499
Correspondence name and address
BERMAN, AISENBERG & PLATT
1730 RHODE ISLAND AVE., N. W.
WASHINGTON, DC 20036
Assignment: 7
Reel/Frame:009497/0495   Pages: 2
Recorded: 10/01/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
EISTETTER, KLAUS
Exec Dt:
07/10/1998
Assignee
1
BYK GULDEN LOMBERG CHEMISCHE FABRIK GMBH
BYK-GULDEN-STRASSE 2
D-78467 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6315983
NONE
09117142
Correspondence name and address
JACOBSON, PRICE, HOLMAN & STERN
IRWIN A. AISENBERG
400 7TH STREET, N.W.
WASHINGTON, DC 20004
Assignment: 8
Reel/Frame:012962/0306   Pages: 2
Recorded: 06/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAFNER, DIETRICH
Exec Dt:
05/27/2002
2
EISTETTER, KLAUS
Exec Dt:
05/27/2002
Assignee
1
BYK GULDEN LOMBERG CHEMISCHE FABRIK GMBH
BYK-GULDEN-STR. 2
KONSTANZ, GERMANY D-784
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6436970
NONE
09369455
Correspondence name and address
JACOBSON HOLMAN PLLC
400 SEVENTH STREET, N.W.
WASHINGTON, D.C. 20004-2218
Assignment: 9
Reel/Frame:016410/0164   Pages: 3
Recorded: 08/19/2004
Attorney Dkt #:26230
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DIETRICH, RANGO
Exec Dt:
07/08/2004
2
NEY, HARTMUT
Exec Dt:
07/09/2004
3
EISTETTER, KLAUS
Exec Dt:
07/09/2004
Assignee
1
ALTANA PHARMA AG
BYK-GULDEN STRASSE 2
78467 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7951397
US20050159492
10505138
Correspondence name and address
GARY M. NATH
NATH & ASSOCIATES PLLC
1030 15TH STREET, N.W. B 6TH FLOOR
WASHINGTON, D.C. 20005
Assignment: 10
Reel/Frame:017335/0652   Pages: 3
Recorded: 03/14/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAEFNER, DIETRICH
Exec Dt:
01/16/2006
2
HARAND, RALF
Exec Dt:
01/24/2006
3
AMMON, EVA
Exec Dt:
01/24/2006
4
STURM, ERNST
Exec Dt:
01/19/2006
5
EISTETTER, KLAUS
Exec Dt:
01/17/2006
6
TAUT, FRIEDEMANN
Exec Dt:
01/27/2006
7
MUELLER, THOMAS
Exec Dt:
01/25/2006
Assignee
1
ALTANA PHARMA AG
BYK-GULDEN-STRASSE 2
78467 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090011978
10568816
Correspondence name and address
GARY M. NATH
NATH & ASSOCIATES PLLC
112 SOUTH WEST STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:017394/0795   Pages: 3
Recorded: 03/28/2006
Attorney Dkt #:27232U
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRUECK-SCHEFFLER, ANTJE
Exec Dt:
03/03/2006
2
NAVE, RUEDIGER
Exec Dt:
03/02/2006
3
VON RICHTER, OLIVER
Exec Dt:
03/02/2006
4
ABEL, FLORIAN
Exec Dt:
02/28/2006
5
EISTETTER, KLAUS
Exec Dt:
03/03/2006
6
DIETZEL, KLAUS
Exec Dt:
03/01/2006
7
POSTIUS, STEFAN
Exec Dt:
03/06/2006
Assignee
1
ALTANA PHARMA AG
BYK-GULDEN-STRASSE 2
78467 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060211668
10570986
Correspondence name and address
NATH & ASSOCIATES PLLC
GARY M. NATH
112 SOUTH WEST STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:020233/0415   Pages: 6
Recorded: 12/10/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EISTETTER, KLAUS
Exec Dt:
09/18/2007
2
WURST, WILHELM
Exec Dt:
09/14/2007
3
POHLMANN, GERHARD
Exec Dt:
10/19/2007
4
WINDT, HORST
Exec Dt:
10/19/2007
5
NOLTE, OLIVER
Exec Dt:
10/19/2007
6
KOCH, WOLFGANG
Exec Dt:
10/19/2007
Assignee
1
NYCOMED GMBH
BYK-GULDEN-STRASSE 2
78467 KONSTANZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9713682
US20090211577
11887513
Correspondence name and address
GARY M. NATH
THE NATH LAW GROUP
112 SOUTH WEST STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:030081/0191   Pages: 14
Recorded: 03/25/2013
Attorney Dkt #:29296-0002US2
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignors
1
DIETRICH, RANGO
Exec Dt:
11/09/2012
2
EISTETTER, KLAUS
Exec Dt:
11/09/2012
3
NEY, HARTMUT
Exec Dt:
11/09/2012
Assignee
1
TAKEDA GMBH
BYK-GULDEN-STR. 2
.
KONSTANZ, GERMANY 78467
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8431154
US20110251244
13008842
Correspondence name and address
ROBERT C. SULLIVAN, JR.
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022

Search Results as of: 05/25/2024 08:32 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