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 : HIRSCHFELD, KLAUS
Total Assignments: 17
Assignment: 1
Reel/Frame:005157/0820   Pages: 1
Recorded: 10/10/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ABEL, THOMAS
Exec Dt:
09/21/1989
2
HIRSCHFELD, KLAUS
Exec Dt:
09/21/1989
Assignee
1
FIRMO LEOPOLD KOSTOL GMBH & CO. KG
WIESENSTR. 47
5880 LUEDENSCHEID, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5012056
NONE
07418511
Correspondence name and address
WILLIAM G. ABBATT
BROOKS & KUSHMAN
2000 TOWN CTR., STE. 2000
SOUTHFIELD, MI 48075
Assignment: 2
Reel/Frame:005333/0421   Pages: 4
Recorded: 05/03/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HIRSCHFELD, KLAUS
Exec Dt:
01/08/1990
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG, A CORP. OF GERMANY
LUDENSCHEID, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5128500
NONE
07454142
Correspondence name and address
BROOKS & KUSHMAN
1000 TOWN CENTER
TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 3
Reel/Frame:009290/0664   Pages: 2
Recorded: 06/26/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HIRSCHFELD, KLAUS
Exec Dt:
03/11/1998
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
WIESENSTRASSE 47
LUDENSCHEID, GERMANY 58507
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6046414
NONE
09035224
Correspondence name and address
BROOKS & KUSHMAN P.C.
JAMES N. KALLIS
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 4
Reel/Frame:009291/0547   Pages: 2
Recorded: 06/26/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HIRSCHFELD, KLAUS
Exec Dt:
03/18/1998
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
WIESENSTRASSE 47
LUDENSCHEID, GERMANY 58507
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5959268
NONE
09037775
Correspondence name and address
BROOKS & KUSHMAN P.C.
JAMES N. KALLIS
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 5
Reel/Frame:013439/0459   Pages: 2
Recorded: 11/04/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIRSCHFELD, KLAUS
Exec Dt:
10/10/2002
2
LETTMAN, HOLGER
Exec Dt:
10/10/2002
3
ADAM, MARKUS
Exec Dt:
10/10/2002
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
WIESENSTRASSE 47
D-58507 LUDENSCHEID, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6700219
US20030045133
10251381
Correspondence name and address
BROOKS & KUSHMAN P.C.
JAMES N. KALLIS
1000 TOWN CENTER
TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 6
Reel/Frame:013799/0173   Pages: 3
Recorded: 02/25/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIRSCHFELD, KLAUS
Exec Dt:
01/07/2003
2
LETTMANN, HOLGER
Exec Dt:
01/07/2003
3
OSTER, CHRISTOPH
Exec Dt:
01/07/2003
4
KRITZLER, DIETMAR
Exec Dt:
01/07/2003
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
WIESENSTRASSE 47, D-58507 LUDENSCHEID
LUDENSCHEID, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6892602
US20040055408
10328628
Correspondence name and address
JAMES N. KALLIS
BROOKS & KUSHMAN P.C.
1000 TOWN CENTER, TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 7
Reel/Frame:016111/0930   Pages: 3
Recorded: 12/29/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIRSCHFELD, KLAUS
Exec Dt:
09/11/2003
2
DEITMERG, MARTIN
Exec Dt:
09/15/2003
3
BOBEL, RALF
Exec Dt:
09/12/2003
4
NIEDING, KLAUS
Exec Dt:
09/11/2003
5
BLASING, FRANK
Exec Dt:
09/18/2003
6
LETTMANN, HOLGER
Exec Dt:
10/14/2003
7
MENZ, RUDIGER
Exec Dt:
09/16/2003
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
WIESENSTRASSE 47, D-58507
LUDENSCHEID, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7950690
US20050204857
10654239
Correspondence name and address
BROOKS KUSHMAN P.C.
JAMES N. KALLIS
1000 TOWN CENTER, TWENTY-SECOND FLOR
SOUTHFIELD, MI 48075-1238
Assignment: 8
Reel/Frame:014785/0385   Pages: 2
Recorded: 12/08/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FICEK, WOJCIECH
Exec Dt:
11/09/2003
2
HIRSCHFELD, KLAUS
Exec Dt:
11/09/2003
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
WIESENSTRASSE 47
D-58507 LUDENSCHEID, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6756550
US20040074746
10654383
Correspondence name and address
BROOKS KUSHMAN P.C.
JAMES N. KALLIS
1000 TOWN CENTER, 22ND FLOOR
SOUTHFIELD, MI 48075-1238
Assignment: 9
Reel/Frame:014881/0751   Pages: 3
Recorded: 01/08/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEINZE, RALF
Exec Dt:
12/17/2003
2
HIRSCHFELD, KLAUS
Exec Dt:
12/17/2003
3
LADWIG, DIETHELM
Exec Dt:
12/17/2003
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
WIESENSTRASSE 47
LUDENSCHEID, GERMANY D-58507
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6797898
US20040144630
10753650
Correspondence name and address
BROOKS KUSHMAN P.C.
JAMES N. KALLIS
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48075-1238
Assignment: 10
Reel/Frame:020581/0083   Pages: 2
Recorded: 02/28/2008
Attorney Dkt #:KAO 0290 PUSA(R 1648)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEITE, VOLKER
Exec Dt:
02/01/2008
2
HIRSCHFELD, KLAUS
Exec Dt:
02/01/2008
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
AN DER BELLMEREI 10
LUDENSCHEID, GERMANY D-58513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7595457
US20080142345
12011062
Correspondence name and address
JAMES N. KALLIS
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075-1238
Assignment: 11
Reel/Frame:023202/0991   Pages: 4
Recorded: 09/08/2009
Attorney Dkt #:KOA 0311 PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ABEL, THOMAS, DR.
Exec Dt:
07/16/2009
2
BOEBEL, RALF
Exec Dt:
08/17/2009
3
DEITMERG, MARTIN
Exec Dt:
07/14/2009
4
LUKSCH, THOMAS
Exec Dt:
07/24/2009
5
MOLDENHAUER, KNUT
Exec Dt:
07/15/2009
6
BLAESING, FRANK
Exec Dt:
07/15/2009
7
BUNSELMEIER, DIRK
Exec Dt:
07/14/2009
8
HIRSCHFELD, KLAUS
Exec Dt:
07/14/2009
9
MANS, BJORN
Exec Dt:
07/27/2009
10
WINKELMANN, RALF
Exec Dt:
07/28/2009
11
BLECKMANN, MICHAEL
Exec Dt:
07/13/2009
12
BUEHLMANN, RAINER
Exec Dt:
07/24/2009
13
KUNZE, MARTIN
Exec Dt:
07/26/2009
14
MOLKOW, PETER
Exec Dt:
07/22/2009
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
AN DER BELLMEREI 10
LUEDENSCHEID, GERMANY D-58513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7900532
US20090320634
12500707
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 12
Reel/Frame:023484/0324   Pages: 3
Recorded: 11/06/2009
Attorney Dkt #:KOA 0312 PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIRSCHFELD, KLAUS
Exec Dt:
10/20/2009
2
LANGS, MICHAEL
Exec Dt:
10/20/2009
3
FIALA, LUKAS
Exec Dt:
10/14/2009
4
WESSENDORF, BENNO
Exec Dt:
10/14/2009
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
AN DER BELLMEREI 10
LUEDENSCHEID, GERMANY D-58513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7819427
US20100045013
12577818
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 13
Reel/Frame:027614/0488   Pages: 4
Recorded: 01/30/2012
Attorney Dkt #:KOA 0336 PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEITMERG, MARTIN
Exec Dt:
01/16/2012
2
RUTKOWSKI, MARCO, DR.
Exec Dt:
01/11/2012
3
GARNEYER, STEFAN
Exec Dt:
01/18/2012
4
SCHIRP, CHRISTIAN
Exec Dt:
01/19/2012
5
MAIER, OLIVER
Exec Dt:
01/19/2012
6
HIRSCHFELD, KLAUS
Exec Dt:
01/24/2012
7
VOM HEDT, BERND, DR.
Exec Dt:
01/20/2012
8
KOBER, SVEN
Exec Dt:
01/19/2012
9
HASSELMANN, HOLGER
Exec Dt:
01/27/2012
10
SCHROEDER, STEFAN
Exec Dt:
01/19/2012
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
AN DER BELLMEREI 10
LUEDENSCHEID, GERMANY 58513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10175066
US20120119731
13338598
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
TWENTY-SECOND FLOOR
SOUTHFIELD, MI 48075
Assignment: 14
Reel/Frame:040718/0317   Pages: 4
Recorded: 12/13/2016
Attorney Dkt #:KOA 0376 PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRENZEL, MAIK
Exec Dt:
12/05/2016
2
HIRSCHFELD, KLAUS
Exec Dt:
12/05/2016
3
LANGS, MICHAEL
Exec Dt:
12/05/2016
4
DEITMERG, MARTIN
Exec Dt:
12/05/2016
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
AN DER BELLMEREI 10
LUEDENSCHEID, GERMANY 58513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9988069
US20170080968
15367424
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48075
Assignment: 15
Reel/Frame:042895/0083   Pages: 3
Recorded: 07/05/2017
Attorney Dkt #:KOA 0379 PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLANZKE, BENJAMIN
Exec Dt:
06/30/2017
2
HIRSCHFELD, KLAUS
Exec Dt:
06/30/2017
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
AN DER BELLMEREI 10
LUEDENSCHEID, GERMANY 58513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10207732
US20170282959
15628786
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48075
Assignment: 16
Reel/Frame:051791/0554   Pages: 4
Recorded: 02/12/2020
Attorney Dkt #:KOA 0397 PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIRSCHFELD, KLAUS
Exec Dt:
02/10/2020
2
FLOEPER, PETER
Exec Dt:
02/10/2020
3
DEITMERG, MARTIN
Exec Dt:
02/05/2020
4
MOLDENHAUER, KNUT
Exec Dt:
02/05/2020
5
FELDMUELLER, LUDWIG
Exec Dt:
02/05/2020
Assignee
1
LEOPOLD KOSTAL GMBH & CO. KG
AN DER BELLMEREI 10
LUEDENSCHEID, GERMANY 58513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11299192
NONE
16781249
Correspondence name and address
BROOKS KUSHMAN
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48075
Assignment: 17
Reel/Frame:059301/0217   Pages: 3
Recorded: 03/18/2022
Attorney Dkt #:KOA 0418 PUSA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIRSCHFELD, KLAUS
Exec Dt:
03/12/2022
2
KOENIG, CHRISTINA
Exec Dt:
03/10/2022
Assignee
1
KOSTAL AUTOMOBIL ELEKTRIK GMBH & CO. KG
AN DER BELLMEREI 10
LUEDENSCHEID, GERMANY 58513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220194243
17688955
Correspondence name and address
BROOKS KUSHMAN P.C.
1000 TOWN CENTER
22ND FLOOR
SOUTHFIELD, MI 48075

Search Results as of: 05/21/2024 11:15 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