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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 : HACK, ALEXANDER
Total Assignments: 16
Assignment: 1
Reel/Frame:008905/0835   Pages: 3
Recorded: 01/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACK, ALEXANDER
Exec Dt:
07/01/1997
2
SCHMITT, URSULA
Exec Dt:
07/02/1997
Assignee
1
KALTENBACH & VOIGT GMBH & CO.
BISMARCKRING 39
D-88400 BIBERACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5897314
NONE
08919435
Correspondence name and address
SCULLY, SCOTT, MURPHY & PRESSER
LEOPOLD PRESSER
400 GARDEN CITY PLAZA
GARDEN CITY, NY 11530
Assignment: 2
Reel/Frame:008777/0383   Pages: 2
Recorded: 08/26/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIEBERMANN, BERND
Exec Dt:
07/01/1997
2
HACK, ALEXANDER
Exec Dt:
07/02/1997
Assignee
1
KALTENBACH & VOIGT GMBH & CO.
BISMARCKRING 39
BIBERACH, GERMANY D-884
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5971755
NONE
08918877
Correspondence name and address
SCULLY, SCOTT, MURPHY & PRESSER
LEOPOLD PRESSER, ESQ.
400 GARDEN CITY PLAZA
GARDEN CITY, NY 11530
Assignment: 3
Reel/Frame:009188/0851   Pages: 2
Recorded: 05/15/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACK, ALEXANDER
Exec Dt:
03/03/1998
2
LIEBERMANN, BERND
Exec Dt:
03/03/1998
Assignee
1
KALTENBACH & VOIGT GMBH & CO.
BISMARCKRING 39
BIBERACH, GERMANY D-884
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6135774
NONE
09052590
Correspondence name and address
MARSHALL, O'TOOLE, GERSTEIN, ETAL.
JAMES P. ZELLER
6300 SEARS TOWER
233 SOUTH WACKER DRIVE
CHICAGO, ILLINOIS 60606-6402
Assignment: 4
Reel/Frame:009242/0726   Pages: 2
Recorded: 06/18/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HACK, ALEXANDER
Exec Dt:
05/15/1998
Assignee
1
KALTENBACH & VOIGT GMBH & CO.
BISMARCKRING 39
BIBERACH D-88400, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6146376
NONE
09099696
Correspondence name and address
MARSHALL, O'TOOLE, GERSTEIN ET AL.
JAMES P. ZELLER
6300 SEARS TOWER
233 SOUTH WACKER DRIVE
CHICAGO, IL 60606-6402
Assignment: 5
Reel/Frame:011720/0354   Pages: 2
Recorded: 04/20/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HACK, ALEXANDER
Exec Dt:
02/07/2001
Assignee
1
KALTENBACH & VOIGT GMBH & CO.
BISMARCKRING 39
D-88400 BIBERACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6536998
US20010022920
09810593
Correspondence name and address
MARSHALL, O'TOOLE ET AL
BRYAN J. LEMPIA
6300 SEARS TOWER
233 S. WACKER DRIVE
CHICAGO ILLINOIS 60606-6402
Assignment: 6
Reel/Frame:011986/0868   Pages: 2
Recorded: 07/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HACK, ALEXANDER
Exec Dt:
02/07/2001
Assignee
1
KALTENBACH & VOIGT GMBH & CO.
BISMARCKRING 39
D-88400 BIBERACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6561802
US20010023057
09810592
Correspondence name and address
MARSHALL, O'TOOLE, GERSTEIN ET AL
BRYAN J. LEMPIA
6300 SEARS TOWER
233 S. WACKER DRIVE
CHICAGO, IL 60606-6402
Assignment: 7
Reel/Frame:016416/0719   Pages: 3
Recorded: 03/23/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEBER, KLAUS
Exec Dt:
03/21/2005
2
HECKENBERGER, HANS
Exec Dt:
03/21/2005
3
ERDMANN, SVEN
Exec Dt:
03/21/2005
4
HACK, ALEXANDER
Exec Dt:
03/21/2005
Assignee
1
KALTENBACH & VOIGHT GMBH & CO. KG
BISMARCKRING 39
BIBERACH/RISS, GERMANY 88400
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D587810
NONE
29226040
Correspondence name and address
RICHARD M. LABARGE
MARSHALL, GERSTEIN & BORUN LLP
233 S. WACKER DRIVE, SUITE 6300
SEARS TOWER
CHICAGO, IL 60606-6357
Assignment: 8
Reel/Frame:016741/0178   Pages: 3
Recorded: 07/05/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACK, ALEXANDER
Exec Dt:
06/16/2005
2
ERDMANN, SVEN
Exec Dt:
06/16/2005
3
HECKENBERGER, HANS
Exec Dt:
06/16/2005
Assignee
1
KALTENBACH & VOIGT GMBH
BISMARCKRING 39
88400 BIBERACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7740477
US20050255424
11126768
Correspondence name and address
JAMES P. ZELLER
MARSHALL, GERSTEIN & BORUN LLP
6300 SEARS TOWER
233 SOUTH WACKER DRIVE
CHICAGO, ILINOIS 60606-6402
Assignment: 9
Reel/Frame:016743/0443   Pages: 3
Recorded: 07/06/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACK, ALEXANDER
Exec Dt:
06/16/2005
2
ERDMANN, SVEN
Exec Dt:
06/16/2005
3
HECKENBERGER, HANS
Exec Dt:
06/16/2005
Assignee
1
KALTENBACH & VOIGT GMBH
BISMARCKRING 39
88400 BIBERACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050255423
11126647
Correspondence name and address
JAMES P. ZELLER
MARSHALL, GERSTEIN & BORUN LLP
6300 SEARS TOWER
233 SOUTH WACKER DRIVE
CHICAGO, IL 60606-6402
Assignment: 10
Reel/Frame:018428/0067   Pages: 2
Recorded: 10/24/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HACK, ALEXANDER
Exec Dt:
11/16/2005
Assignee
1
KALTENBACH & VOIGT GMBH
BISMARCKRING 39
88400 BIBERACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7210847
US20060067462
11235477
Correspondence name and address
GREGORY L. MAYBACK
5722 FLAMINGO ROAD #232
FORT LAUDERDALE, FL 33330
Assignment: 11
Reel/Frame:018428/0121   Pages: 2
Recorded: 10/24/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACK, ALEXANDER
Exec Dt:
11/16/2005
2
ZELLER, UWE
Exec Dt:
11/16/2005
3
WEBERT, KLAUS
Exec Dt:
11/16/2005
4
RICKERT, MARTIN
Exec Dt:
11/16/2005
Assignee
1
KALTENBACH & VOIGT GMBH
BISMARCKRING 39
BIBERACH, GERMANY 88400
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7278787
US20060067483
11234904
Correspondence name and address
GREGORY L. MAYBACK
5722 S. FLAMINGO ROAD #232
FORT LAUDERDALE, FL 33330
Assignment: 12
Reel/Frame:038137/0076   Pages: 3
Recorded: 03/30/2016
Attorney Dkt #:010127-14001A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PHILIPPS, BERND
Exec Dt:
09/02/2014
2
WEBER, MICHAEL
Exec Dt:
02/09/2014
3
HACK, ALEXANDER
Exec Dt:
03/22/2014
Assignee
1
DÜRR DENTAL AG
HÖPFIGHEIMER STR. 17
BIETIGHEIN-BISSINGEN, GERMANY 74321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10139497
US20140252252
14283994
Correspondence name and address
LEMPIA SUMMERFIELD KATZ LLC
20 SOUTH CLARK
SUITE 600
CHICAGO, IL 60603
Assignment: 13
Reel/Frame:033909/0711   Pages: 3
Recorded: 10/08/2014
Attorney Dkt #:OST-141014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACK, ALEXANDER
Exec Dt:
09/22/2014
2
LAIS, PETER
Exec Dt:
09/02/2014
3
MAIER, RAIMUND
Exec Dt:
09/22/2014
4
SCHRAMM, AXEL
Exec Dt:
09/11/2014
Assignee
1
DUERR DENTAL AG
HOEPFIGHEIMER STRABE 17
BIETIGHEIM-BISSINGEN, GERMANY 74321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9220414
US20140302452
14244214
Correspondence name and address
FACTOR INTELLECTUAL PROPERTY LAW GROUP,
1327 W. WASHINGTON BLVD.
SUITE 5G/H
CHICAGO, IL 60607
Assignment: 14
Reel/Frame:047216/0493   Pages: 3
Recorded: 10/18/2018
Attorney Dkt #:010127-14001B
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PHILIPPS, BERND
Exec Dt:
09/02/2014
2
WEBER, MICHAEL
Exec Dt:
09/02/2014
3
HACK, ALEXANDER
Exec Dt:
09/22/2014
Assignee
1
DÜRR DENTAL AG
HÖPFIGHEIMER STR. 17
BIETIGHEIN-BISSINGEN, GERMANY 74321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10393889
US20190049598
16159113
Correspondence name and address
LEMPIA SUMMERFIELD KATZ LLC
20 SOUTH CLARK
SUITE 600
CHICAGO, IL 60603
Assignment: 15
Reel/Frame:049812/0584   Pages: 3
Recorded: 07/22/2019
Attorney Dkt #:010127-14001C
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PHILIPPS, BERND
Exec Dt:
09/02/2014
2
WEBER, MICHAEL
Exec Dt:
09/02/2014
3
HACK, ALEXANDER
Exec Dt:
09/22/2014
Assignee
1
DÜRR DENTAL AG
HÖPFIGHEIMER STR. 17
BIETIGHEIN-BISSINGEN, GERMANY 74321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10591615
US20190339401
16517329
Correspondence name and address
LEMPIA SUMMERFIELD KATZ LLC
20 SOUTH CLARK
SUITE 600
CHICAGO, IL 60603
Assignment: 16
Reel/Frame:063263/0631   Pages: 9
Recorded: 04/07/2023
Attorney Dkt #:30524.0007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACK, ALEXANDER
Exec Dt:
02/14/2023
2
LADIKOS, ALEXANDER
Exec Dt:
02/27/2023
3
JAGODA, SIMON
Exec Dt:
02/27/2023
4
WIECZOREK, MATTHIAS
Exec Dt:
03/06/2023
Assignee
1
DÜRR DENTAL SE
HÖPFIGHEIMER STR. 17
BIETIGHEIM-BISSINGEN, GERMANY 74321
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240029270
18042602
Correspondence name and address
JOSEPH V. SAPHIA
CHIESA SHAHINIAN & GIANTOMASI PC
11 TIMES SQUARE, 34TH FLOOR
NEW YORK, NY 10036

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