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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 : PFEIFER, GERHARD
Total Assignments: 17
Assignment: 1
Reel/Frame:004097/0875   Pages: 1
Recorded: 11/04/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KRAFT, WINFRIED
Exec Dt:
11/01/1982
2
PFEIFER, GERHARD
Exec Dt:
10/26/1982
3
REICHEL, ARTUR
Exec Dt:
10/26/1982
4
RICHTER, KURT
Exec Dt:
10/26/1982
Assignee
1
ERNST LEITZ WETZLAR GMBH
POSTFACH 20 20
D-6330 WETZLAR 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4455910
NONE
06439314
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB, MACK,
BLUMENTHAL & KOCH
P.O. BOX 299
ALEXANDRIA, VA 22313
Assignment: 2
Reel/Frame:005119/0148   Pages: 1
Recorded: 09/01/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PFEIFER, GERHARD
Exec Dt:
08/16/1989
Assignee
1
WILD LEITZ GMBH
ERNST-LEITZ-STRASSE
D-6330 WETZLAR 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5065657
NONE
07401765
Correspondence name and address
FOLEY & LARDNER
SCHWARTZ, JEFFERY, SCHWAAB, MACK
BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 3
Reel/Frame:008541/0975   Pages: 2
Recorded: 03/20/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PFEIFER, GERHARD
Exec Dt:
02/21/1997
Assignee
1
LEICA MIKROSKOPIE UND SYSTEME GMBH
POSTFACH 20 40
WETZLAR, GERMANY D-355
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5781337
NONE
08793804
Correspondence name and address
FOLEY & LARDNER
RICHARD L. SCHWAAB
3000 K STREET, N.W., SUITE 500
WASHINGTON, D.C. 20007-5109
Assignment: 4
Reel/Frame:012355/0442   Pages: 5
Recorded: 11/15/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PFEIFER, GERHARD
Exec Dt:
11/06/2001
2
WEISS, ALBRECHT
Exec Dt:
11/06/2001
Assignee
1
LEICA MICROSYSTEMS WETZLAR GMBH
ERNST-LETIZ-STRASSE 17-37
WETZLAR, GERMANY D-355
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020061261
10002539
Correspondence name and address
DAVIDSON, DAVIDSON AND KAPPELL, LLC
WILLIAM C. GEHRIS
485 SEVENTH AVENUE, 14TH FLOOR
NEW YORK, NY 10018
Assignment: 5
Reel/Frame:012545/0359   Pages: 3
Recorded: 01/24/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PFEIFER, GERHARD
Exec Dt:
01/11/2002
Assignee
1
LEICA MICROSYSTEMS WETZLAR GMBH
ERNST-LEITZ-STRASSE 17-37
WETZLAR, GERMANY D-355
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6862138
US20020101654
10056584
Correspondence name and address
DAVIDSON, DAVIDSON AND KAPPEL, LLC
WILLIAM C. GEHRIS
485 SEVENTH AVENUE, 14TH FLOOR
NEW YORK, NY 10018
Assignment: 6
Reel/Frame:014401/0877   Pages: 3
Recorded: 03/10/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PFEIFER, GERHARD
Exec Dt:
11/11/2003
Assignee
1
LEICA MICROSYSTEMS WETZLAR GMBH
ERNST-LEITZ-STRASSE 17-37
WETZLAR, GERMANY D-35578
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6982826
US20050046931
10721700
Correspondence name and address
HOUSTON ELISEEVA
4 MILITIA DRIVE, SUITE 4
LEXINGTON, MA 02421
Assignment: 7
Reel/Frame:014940/0814   Pages: 3
Recorded: 01/27/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REICHERT, WERNER FRANZ
Exec Dt:
01/23/2004
2
PFEIFER, GERHARD
Exec Dt:
01/23/2004
3
GILBERT, MANFRED
Exec Dt:
01/23/2004
Assignee
1
LEICA MICROSYSTEMS WETZLAR GMBH
ERNST-LEIZ-STRASSE 17-37
WETZLAR, GERMANY D-35578
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7136222
US20040184140
10765433
Correspondence name and address
SIMPSON & SIMPSON, PLLC
HOWARD M. ELLIS
5555 MAIN STREET
WILLIAMSVILLE, NEW YORK 14221
Assignment: 8
Reel/Frame:015453/0424   Pages: 2
Recorded: 06/10/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOLB, HANS-JOACHIM
Exec Dt:
05/04/2004
2
PFEIFER, GERHARD
Exec Dt:
05/04/2004
Assignee
1
LEICA MICROSYSTEMS WETZLAR GMBH
ERNST-LEITZ-STRASSE 17-37
D-35578, WETZLAR, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7016108
US20040218264
10479350
Correspondence name and address
CROWELL & MORING LLP
JEFFREY D. SANOK
INTELLECTUAL PROPERTY GROUP
PO BOX 14300
WASHINGTON, DC 20044-4300
Assignment: 9
Reel/Frame:015559/0291   Pages: 3
Recorded: 01/12/2005
Attorney Dkt #:LWEP125US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GILBERT, MANFRED
Exec Dt:
08/30/2004
2
PFEIFER, GERHARD
Exec Dt:
08/31/2004
3
KOLB, HANS-JOACHIM
Exec Dt:
08/22/2004
Assignee
1
LEICA MICROSYSTEMS WETZLAR GMBH
ERNST-LEITZ-STRASSE 17-37
WETZLAR, GERMANY D-35578
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7233435
US20050057799
10711188
Correspondence name and address
SIMPSON & SIMPSON, PLLC
5555 MAIN STREET
WILLIAMSVILLE, NY 14221-5406
Assignment: 10
Reel/Frame:021120/0902   Pages: 3
Recorded: 06/19/2008
Attorney Dkt #:016790-0520
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PFEIFER, GERHARD
Exec Dt:
05/27/2008
Assignee
1
LEICA MICROSYSTEMS CMS GMBH
ERNST-LEITZ-STRASSE 17-37
WETZLAR, GERMANY 35578
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8102598
US20080310015
12139919
Correspondence name and address
FOLEY & LARDNER LLP
3000 K STREET NW
SUITE 500
WASHINGTON, DC 20007
Assignment: 11
Reel/Frame:024591/0188   Pages: 3
Recorded: 06/24/2010
Attorney Dkt #:P401278
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GILBERT, MANFRED
Exec Dt:
06/22/2010
2
PFEIFER, GERHARD
Exec Dt:
06/22/2010
Assignee
1
LEICA MICROSYSTEMS CMS GMBH
ERNST-LEITZ-STRASSE 17-37
WETZLAR, GERMANY 35578
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100315707
12797388
Correspondence name and address
ALEXANDER R SCHLEE
3770 HIGHLAND AVENUE, SUITE 203
MANHATTAN BEACH, CA 90266
Assignment: 12
Reel/Frame:024923/0332   Pages: 3
Recorded: 09/01/2010
Attorney Dkt #:016790-0532
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PFEIFER, GERHARD
Exec Dt:
08/26/2010
Assignee
1
LEICA MICROSYSTEMS CMS GMBH
ERNST-LEITZ-STRASSE 17-37
WETZLAR, GERMANY 35578
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8999272
US20110048142
12872753
Correspondence name and address
GLENN LAW
FOLEY & LARDNER LLP, SUITE 600
3000 K STREET, N.W.
WASHINGTON, DC 20007
Assignment: 13
Reel/Frame:029079/0250   Pages: 5
Recorded: 10/04/2012
Attorney Dkt #:04017.0065U1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OSTERMEYER, MARTIN
Exec Dt:
08/31/2012
2
PFEIFER, GERHARD
Exec Dt:
09/17/2012
Assignee
1
ANTON PAAR GMBH
ANTON-PAAR-STR. 20
GRAZ, AUSTRIA A-8054
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9448161
US20130258336
13565299
Correspondence name and address
SMITH RISLEY TEMPEL SANTOS LLC
TWO RAVINIA DRIVE
SUITE 700
ATLANTA, GA 30346
Assignment: 14
Reel/Frame:029703/0225   Pages: 2
Recorded: 01/28/2013
Attorney Dkt #:WBW-17076
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMRE, MICHAEL
Exec Dt:
01/16/2013
2
LODER, JOHANN
Exec Dt:
01/16/2013
3
PFEIFER, GERHARD
Exec Dt:
01/16/2013
Assignee
1
ANTON PAAR GMBH
ANTON-PAAR-STRASSE 20
GRAZ-STRASSGANG, AUSTRIA A-8054
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9063083
US20140160480
13724776
Correspondence name and address
LERNER GREENBERG STEMER LLP
P.O. BOX 2480
HOLLYWOOD, FL 30222-2480
Assignment: 15
Reel/Frame:030530/0908   Pages: 6
Recorded: 06/03/2013
Attorney Dkt #:813214
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GILBERT, MANFRED
Exec Dt:
05/14/2013
2
PFEIFER, GERHARD
Exec Dt:
04/17/2013
Assignee
1
LEICA MICROSYSTEMS CMS GMBH
ERNST-LEITZ-STRASSE 17-37
WETZLAR, GERMANY 35578
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8553323
US20130222898
13852152
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD.
TWO PRUDENTIAL PLAZA, SUITE 4900
180 NORTH STETSON AVENUE
CHICAGO, IL 606016731
Assignment: 16
Reel/Frame:063289/0273   Pages: 5
Recorded: 04/11/2023
Attorney Dkt #:123030.00010 AND -030
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PFEIFER, GERHARD
Exec Dt:
07/28/2022
Assignee
1
ATD-LABTECH GMBH
DREISPITZ 2
JOHANNESBERG, GERMANY 63867
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
10436689
US20180136077
15576161
 
10713974
US20180211567
15745183
Correspondence name and address
SAMUEL J. HAIDLE
HOWARD & HOWARD ATTORNEYS PLLC
450 WEST FOURTH STREET
ROYAL OAK, MI 48067-2557
Assignment: 17
Reel/Frame:066759/0728   Pages: 3
Recorded: 03/04/2024
Attorney Dkt #:123030.00005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PFEIFER, GERHARD
Exec Dt:
07/28/2022
2
SZINGSNIS, CHRISTOPH
Exec Dt:
07/28/2022
Assignee
1
ATD-LABTECH GMBH
DREISPITZ 2
JOHANNESBERG, GERMANY 63867
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230273091
17773434
Correspondence name and address
KELLY KARPINSKI
450 WEST FOURTH STREET
ROYAL OAK, MI 48067-2557

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