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Patent Assignment Assignor Details
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Assignor Name : SPERRFECHTER, THOMAS
Total Assignments: 25
Assignment: 1
Reel/Frame:012540/0321   Pages: 2
Recorded: 01/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUCHEL, FRANZ
Exec Dt:
01/09/2002
2
EHMIG, GERHARD
Exec Dt:
01/09/2002
3
SPERRFECHTER, THOMAS
Exec Dt:
01/09/2002
4
FROMMELT, MARKUS
Exec Dt:
01/09/2002
Assignee
1
HILTI AKTIENGESELLSCHAFT
FL-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6536647
US20020130156
10059855
Correspondence name and address
SIDLEY AUSTIN, BROWN & WOOD LLP
DAVID TOREN
875 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 2
Reel/Frame:012578/0395   Pages: 2
Recorded: 01/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BONIG, STEFAN
Exec Dt:
01/09/2002
2
BUCHEL, FRANZ
Exec Dt:
01/09/2002
3
FROMMELT, MARKUS
Exec Dt:
01/09/2002
4
SPERRFECHTER, THOMAS
Exec Dt:
01/09/2002
5
HEEB, NORBERT
Exec Dt:
01/09/2002
6
NEUMANN, JENS
Exec Dt:
01/09/2002
Assignee
1
HILTI AKTIENGESELLSCHAFT
FL-9494
SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6978919
US20020130155
10059838
Correspondence name and address
SIDLEY AUSTIN ET AL
DAVID TOREN
875 THIRD AVENUE
NEW YORK N.Y. 10022
Assignment: 3
Reel/Frame:012597/0028   Pages: 2
Recorded: 02/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUCHEL, FRANZ
Exec Dt:
01/11/2002
2
SPERRFECHTER, THOMAS
Exec Dt:
01/11/2002
Assignee
1
HILTI AKTIENGESELLSCHAFT
FL-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6478208
US20020108988
10071694
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
875 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 4
Reel/Frame:012597/0042   Pages: 2
Recorded: 02/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BONIG, STEFAN
Exec Dt:
01/18/2002
2
BUCHEL, FRANZ
Exec Dt:
01/18/2002
3
FROMMELT, MARKUS
Exec Dt:
01/21/2002
4
SPERRFECHTER, THOMAS
Exec Dt:
01/18/2002
Assignee
1
HILTI AKTIENGESELLSCHAFT
FL-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020108488
10071692
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
875 THIRD AVENUE
NEW YORK, NEW YORK 10022
Assignment: 5
Reel/Frame:013478/0397   Pages: 3
Recorded: 11/04/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DITTRICH, TILO
Exec Dt:
08/22/2002
2
EHMIG, GERHARD
Exec Dt:
10/22/2002
3
GRAZIOLI, MARIO
Exec Dt:
10/22/2002
4
SPERRFECHTER, THOMAS
Exec Dt:
08/22/2002
5
SCALET, MARIO
Exec Dt:
08/22/2002
Assignee
1
HILTI AKTIENGESELLSCHAFT
FL-9494 SCHAAN
PRINCIPALITY OF LIECHTENSTEIN, SWITZERLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6983679
US20030047064
10241869
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
787 SEVENTH AVENUE
NEW YORK, N.Y. 10019
Assignment: 6
Reel/Frame:013592/0532   Pages: 2
Recorded: 12/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DITTRICH, TILO
Exec Dt:
11/25/2002
2
EHMIG, GERHARD
Exec Dt:
11/25/2002
3
HEEB, NORBERT
Exec Dt:
11/25/2002
4
SPERRFECHTER, THOMAS
Exec Dt:
11/25/2002
Assignee
1
HILTI AKTIENGESELLSCHAFT
FL-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030218041
10319247
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
787 SEVENTH AVENUE
NEW YORK, NY 10019
Assignment: 7
Reel/Frame:014156/0890   Pages: 3
Recorded: 06/11/2003
Conveyance: RE-RECORD TO ADD THE NAME OF THE MISSING ASSIGNOR, PREVIOUSLY RECORDED ON REEL 013592 FRAME 0532, ASSIGNOR CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.
Assignors
1
DITTRICH, TILO
Exec Dt:
11/25/2002
2
EHMIG, GERHARD
Exec Dt:
11/25/2002
3
HEEB, NORBERT
Exec Dt:
11/25/2002
4
NEUMANN, JENS
Exec Dt:
11/25/2002
5
SPERRFECHTER, THOMAS
Exec Dt:
11/25/2002
Assignee
1
HILTI AKTIENGESELLSCHAFT
FL-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030218041
10319247
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
787 SEVENTH AVENUE
NEW YORK, NEW YORK 10019
Assignment: 8
Reel/Frame:013771/0835   Pages: 2
Recorded: 02/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEUMANN, JENS
Exec Dt:
01/16/2003
2
DITTRICH, TILO
Exec Dt:
01/17/2003
3
SPERRFECHTER, THOMAS
Exec Dt:
01/17/2003
4
NORBERT HEEB, MARIO SCALET
Exec Dt:
01/17/2003
Assignee
1
HILTI AKTIENGESELLSCHAFT
SCHAAN, LIECHTENSTEIN FL-9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6880738
US20030155397
10365818
Correspondence name and address
SIDLEY, AUSTIN BROWN & WOOD LLP
DAVID TOREN
787 SEVENTH AVENUE
NEW YORK, NY 10019
Assignment: 9
Reel/Frame:014130/0819   Pages: 2
Recorded: 06/02/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DITTRICH, TILO
Exec Dt:
04/29/2003
2
EHMIG, GERHARD
Exec Dt:
04/29/2003
3
HEEB, NORBERT
Exec Dt:
04/29/2003
4
NEUMANN, JENS
Exec Dt:
04/29/2003
5
SPERRFECHTER, THOMAS
Exec Dt:
04/29/2003
Assignee
1
HILTI AKTIENGESELLSCHAFT
FL-9494 SHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030218041
10319247
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
787 SEVENTH AVENUE
NEW YORK, NY 10019
Assignment: 10
Reel/Frame:015373/0407   Pages: 2
Recorded: 05/24/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DITTRICH, TILO
Exec Dt:
11/28/2003
2
EHMIG, GERHARD
Exec Dt:
12/29/2003
3
SPERRFECHTER, THOMAS
Exec Dt:
11/28/2003
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHER STRASSE 100
LI-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7086574
US20040178247
10737278
Correspondence name and address
SIDLEY AUSTIN BROWN ET AL.
DAVID TOREN
787 SEVENTH AVE.
NEW YORK, NY 10019
Assignment: 11
Reel/Frame:015533/0565   Pages: 2
Recorded: 07/01/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERRFECHTER, THOMAS
Exec Dt:
01/08/2004
2
NEUMANN, JENS
Exec Dt:
05/12/2004
3
HEEB, NORBERT
Exec Dt:
01/08/2004
4
EHMIG, GERHARD
Exec Dt:
05/27/2004
5
DITTRICH, TILO
Exec Dt:
01/08/2004
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHER STRASSE 100
LI-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7028877
US20040226975
10739867
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
787 SEVENTH AVENUE
NEW YORK, N.Y. 10019
Assignment: 12
Reel/Frame:018214/0664   Pages: 2
Recorded: 08/23/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERRFECHTER, THOMAS
Exec Dt:
07/19/2006
2
HAHN, WOLFRAM
Exec Dt:
07/20/2005
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHER STRASSE 100
LI-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7407071
US20070045375
11510483
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NEW YORK 10017-5621
Assignment: 13
Reel/Frame:018179/0229   Pages: 3
Recorded: 08/12/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEUMANN, JENS
Exec Dt:
02/24/2006
2
HEEB, NORBERT
Exec Dt:
07/27/2006
3
DITTRICH, TILO
Exec Dt:
07/27/2006
4
SPERRFECHTER, THOMAS
Exec Dt:
07/27/2006
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHER STRASSE 100
LI-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7308997
US20070000458
11404935
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVE., 10TH FLOOR
NEW YORK, NY 10017
Assignment: 14
Reel/Frame:022356/0082   Pages: 3
Recorded: 02/26/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERRFECHTER, THOMAS
Exec Dt:
02/12/2009
2
DITTRICH, TILO
Exec Dt:
02/12/2009
3
MOREL, RICCARDO
Exec Dt:
02/17/2009
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHER STRASSE 100
LI-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7967177
US20090159635
12317277
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NEW YORK 10017-5621
Assignment: 15
Reel/Frame:027537/0228   Pages: 8
Recorded: 01/16/2012
Attorney Dkt #:709352
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WOLF, IWAN
Exec Dt:
01/16/2012
2
TILLE, DIERK
Exec Dt:
12/27/2011
3
SPERRFECHTER, THOMAS
Exec Dt:
12/20/2011
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDIRCHERSTRASSE 100
9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120144827
13316979
Correspondence name and address
LEYDIG, VOIT & MAYER
700 THIRTEENTH STREET, N.W.
SUITE 300
WASHINGTON, D.C., DC 20005
Assignment: 16
Reel/Frame:027752/0871   Pages: 4
Recorded: 02/23/2012
Attorney Dkt #:709132
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DITTRICH, TILO
Exec Dt:
12/19/2011
2
SPERRFECHTER, THOMAS
Exec Dt:
12/20/2011
3
NORBERT, HEEB
Exec Dt:
12/13/2011
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120132689
13302270
Correspondence name and address
LEYDIG, VOIT & MAYER
700 THIRTEENTH STREET, N.W.
SUITE 300
WASHINGTON, DC 20005
Assignment: 17
Reel/Frame:027764/0342   Pages: 4
Recorded: 02/27/2012
Attorney Dkt #:709173
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DITTRICH, TILO
Exec Dt:
12/19/2011
2
SPERRFECHTER, THOMAS
Exec Dt:
12/20/2011
3
NORBERT, HEEB
Exec Dt:
12/13/2011
4
STAUSS, PETER
Exec Dt:
12/20/2011
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120132689
13302270
Correspondence name and address
LEYDIG, VOIT & MAYER
700 THIRTEENTH STREET, N.W.
SUITE 300
WASHINGTON, DC 20005
Assignment: 18
Reel/Frame:030784/0584   Pages: 3
Recorded: 07/12/2013
Attorney Dkt #:712435
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERRFECHTER, THOMAS
Exec Dt:
06/12/2013
2
BRUGGMUELLER, PETER
Exec Dt:
06/12/2013
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130270320
13860588
Correspondence name and address
TIANA BENNETT
700 THIRTEENTH STREET NW
SUITE 300
WASHINGTON, DC 20005
Assignment: 19
Reel/Frame:038947/0636   Pages: 3
Recorded: 06/17/2016
Attorney Dkt #:105440.69231US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERRFECHTER, THOMAS
Exec Dt:
06/15/2016
2
WOERNER, MARKUS
Exec Dt:
06/16/2016
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160325419
15106211
Correspondence name and address
CROWELL & MORING LLP
INTELLECTUAL PROPERTY GROUP
P.O. BOX 14300
WASHINGTON, DC 20044-4300
Assignment: 20
Reel/Frame:044069/0719   Pages: 5
Recorded: 11/08/2017
Attorney Dkt #:728987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERRFECHTER, THOMAS
Exec Dt:
06/14/2017
2
STAUSS-REINER, PETER
Exec Dt:
06/09/2017
3
WOERNER, MARKUS
Exec Dt:
06/20/2017
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170348840
15536008
Correspondence name and address
LEYDIG, VOIT AND MAYER
700 THIRTEENTH STREET, N.W., SUITE 300
WASHINGTON, DC 20005
Assignment: 21
Reel/Frame:044070/0748   Pages: 8
Recorded: 11/08/2017
Attorney Dkt #:728926
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEEB, NORBERT
Exec Dt:
08/07/2017
2
STAUSS-REINER, PETER
Exec Dt:
06/09/2017
3
SPERRFECHTER, THOMAS
Exec Dt:
06/14/2017
4
WOERNER, MARKUS
Exec Dt:
06/14/2017
5
DITTRICH, TILO
Exec Dt:
06/18/2017
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10639777
US20170341210
15535612
Correspondence name and address
LEYDIG, VOIT AND MAYER
700 THIRTEENTH STREET, N.W., SUITE 300
WASHINGTON, DC 20005
Assignment: 22
Reel/Frame:045128/0699   Pages: 8
Recorded: 03/07/2018
Attorney Dkt #:737786
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DITTRICH, TILO
Exec Dt:
03/06/2018
2
HEEB, NORBERT
Exec Dt:
02/06/2018
3
BRUGGMUELLER, PETER
Exec Dt:
02/14/2018
4
SPERRFECHTER, THOMAS
Exec Dt:
02/06/2018
5
SCHMIDT, DOMINIK
Exec Dt:
02/07/2018
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180243891
15758000
Correspondence name and address
LEYDIG, VOIT & MAYER
700 THIRTEENTH STREET, N.W., SUITE 300
WASHINGTON, DC 20005
Assignment: 23
Reel/Frame:046639/0564   Pages: 5
Recorded: 08/21/2018
Attorney Dkt #:739551
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERRFECHTER, THOMAS
Exec Dt:
07/02/2018
2
BARTZ, THORSTEN
Exec Dt:
07/06/2018
3
STAUSS-REINER, PETER
Exec Dt:
08/13/2018
4
MEIER, DAVID
Exec Dt:
08/21/2018
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHERSTRASSE 100,
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190047129
16073369
Correspondence name and address
LEYDIG, VOIT & MAYER
700 THIRTEENTH STREET, N.W., SUITE 300
WASHINGTON, DC 20005
Assignment: 24
Reel/Frame:054286/0294   Pages: 4
Recorded: 11/05/2020
Attorney Dkt #:750984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DITTRICH, TILO
Exec Dt:
12/14/2019
2
SPERRFECHTER, THOMAS
Exec Dt:
12/17/2019
3
HEEB, NORBERT
Exec Dt:
12/19/2019
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHERSTRASSE 100,
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11712792
US20210060750
17051638
Correspondence name and address
LEYDIG, VOIT & MAYER
1900 DUKE STREET, SUITE 420
ALEXANDRIA, VA 22314
Assignment: 25
Reel/Frame:054512/0705   Pages: 4
Recorded: 12/02/2020
Attorney Dkt #:751136
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DITTRICH, TILO
Exec Dt:
03/07/2020
2
ABU ANTOUN, CHAFIC
Exec Dt:
11/26/2020
3
SPERRFECHTER, THOMAS
Exec Dt:
07/08/2020
Assignee
1
HILTI AKTIENGESELLSCHAFT
FELDKIRCHERSTRASSE 100,
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11813726
US20210220981
15734084
Correspondence name and address
LEYDIG, VOIT & MAYER
1900 DUKE STREET, SUITE 420
ALEXANDRIA, VA 22314

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