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Patent Assignment Assignor Details
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Assignor Name : LETTOW, JOHN S.
Total Assignments: 15
Assignment: 1
Reel/Frame:011414/0030   Pages: 3
Recorded: 12/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YING, JACKIE Y.
Exec Dt:
12/12/2000
2
MEHNERT, CHRISTIAN P.
Exec Dt:
12/20/2000
3
LETTOW, JOHN S.
Exec Dt:
12/15/2000
4
HUANG, DEJIAN
Exec Dt:
12/15/2000
Assignee
1
MASSACHUSETTS INSTITUTE OF TECHONOLGY
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6544923
NONE
09648928
Correspondence name and address
WOLF, GREENFIELD & SACKS, P.C.
TIMOTHY J. OYER
FEDERAL RESERVE PLAZA
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 2
Reel/Frame:013567/0696   Pages: 3
Recorded: 12/11/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIM, KIM HONG
Exec Dt:
11/08/2002
2
LOMAX, JR., FRANKLIN D.
Exec Dt:
11/08/2002
3
LETTOW, JOHN S.
Exec Dt:
11/08/2002
4
NASSER, KHALIL M.
Exec Dt:
11/08/2002
Assignee
1
H2GEN INNOVATIONS, INC.
4740 EISENHOWER AVENUE
ALEXANDRIA, VIRGINIA 22304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6805729
US20040079227
10282140
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
GREGORY J. MAIER
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 3
Reel/Frame:014540/0248   Pages: 3
Recorded: 09/29/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOMAX, JR., FRANKLIN D.
Exec Dt:
06/23/2003
2
LETTOW, JOHN S.
Exec Dt:
06/25/2003
3
STREEKS, MICHAEL SEAN
Exec Dt:
06/20/2003
4
PRASAD, VINAY
Exec Dt:
06/23/2003
Assignee
1
H2GEN INNOVATIONS, INC.
4740 EISENHOWER AVENUE
ALEXANDRIA, VIRGINIA 22304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6887301
US20040244584
10453601
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:014771/0833   Pages: 3
Recorded: 12/08/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOMAX, FRANKLIN D., JR.
Exec Dt:
08/27/2003
2
HICKMAN, TROY
Exec Dt:
08/27/2003
3
LETTOW, JOHN S.
Exec Dt:
08/28/2003
4
STREEKS, MICHAEL
Exec Dt:
08/29/2003
5
PRASAD, VINAY
Exec Dt:
08/28/2003
Assignee
1
H2GEN INNOVATIONS, INC.
4740 EISENHOWER AVENUE
ALEXANDRIA, VIRGINIA 22304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6918953
US20050005771
10615244
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:014856/0187   Pages: 3
Recorded: 01/06/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOMAX, JR., FRANKLIN D.
Exec Dt:
10/15/2003
2
GRICIUS, CHRISTOPHER T.
Exec Dt:
10/16/2003
3
LETTOW, JOHN S.
Exec Dt:
10/20/2003
Assignee
1
H2GEN INNOVATIONS, INC.
4740 EISENHOWER AVENUE
ALEXANDRIA, VIRGINIA 22304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7347978
US20040109794
10637579
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:015584/0372   Pages: 3
Recorded: 07/22/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOMAX, FRANKLIN D., JR.
Exec Dt:
04/06/2004
2
LETTOW, JOHN S.
Exec Dt:
04/19/2004
3
JAMES, BRIAN D.
Exec Dt:
04/19/2004
Assignee
1
H2GEN INNOVATIONS, INC.
4740 EISENHOWER AVENUE
ALEXANDRIA, VIRGINIA 22304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7600489
US20050194120
10791746
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
J. DEREK MASON
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:016932/0412   Pages: 3
Recorded: 08/29/2005
Attorney Dkt #:273066US23
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOMAX, JR., FRANKLIN D.
Exec Dt:
07/21/2005
2
HEFFERNAN, THOMAS M.
Exec Dt:
07/20/2005
3
NASSER, KHALIL M.
Exec Dt:
07/21/2005
4
LETTOW, JOHN S.
Exec Dt:
07/20/2005
Assignee
1
H2GEN INNOVATIONS, INC.
4740 EISENHOWER AVENUE
ALEXANDRIA, VIRGINIA 22304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7017529
NONE
11153443
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:017795/0839   Pages: 3
Recorded: 04/14/2006
Attorney Dkt #:284324US23
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOMAX, JR., FRANKLIN D.
Exec Dt:
02/10/2006
2
LETTOW, JOHN S.
Exec Dt:
02/06/2006
Assignee
1
H2GEN INNOVATIONS, INC.
4740 EISENHOWER AVENUE
ALEXANDRIA, VIRGINIA 22304-4807
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7641716
US20060169140
11330084
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:025341/0982   Pages: 8
Recorded: 11/10/2010
Attorney Dkt #:364955US23XPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRAIN, JOHN M.
Exec Dt:
09/19/2010
2
LETTOW, JOHN S.
Exec Dt:
09/30/2010
3
AKSAY, ILHAN A.
Exec Dt:
08/26/2010
4
KORKUT, SIBEL
Exec Dt:
08/25/2010
5
CHIANG, KATHERINE S.
Exec Dt:
09/15/2010
6
CHEN, CHUAN-HUA
Exec Dt:
09/02/2010
7
PRUD'HOMME, ROBERT K.
Exec Dt:
09/01/2010
Assignees
1
VORBECK MATERIALS CORPORATION
8306, PATUXENT RANGE ROAD
JESSUP, MARYLAND 20794
2
THE TRUSTEES OF PRINCETON UNIVERSITY
4, NEW SOUTH BUILDING
PRINCETON, NEW JERSEY 08540
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8278757
US20110042813
12866079
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:025431/0115   Pages: 6
Recorded: 11/30/2010
Attorney Dkt #:364940US23XPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRAIN, JOHN M.
Exec Dt:
09/19/2010
2
LETTOW, JOHN S.
Exec Dt:
09/30/2010
3
AKSAY, ILHAN A.
Exec Dt:
08/26/2010
4
PRUD'HOMME, ROBERT K.
Exec Dt:
09/01/2010
5
KORKUT, SIBEL
Exec Dt:
08/25/2010
Assignees
1
THE TRUSTEES OF PRINCETON UNIVERSITY
4, NEW SOUTH BUILDING
PRINCETON, NEW JERSEY 08540
2
VORBECK MATERIALS CORPORATION
8306 PATUXENT RANGE ROAD
JESSUP, MARYLAND 20794
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9039938
US20110049437
12866089
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:027470/0047   Pages: 8
Recorded: 01/03/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AKSAY, ILHAN A.
Exec Dt:
03/21/2011
2
CRAIN, JOHN M.
Exec Dt:
03/30/2011
3
LETTOW, JOHN S.
Exec Dt:
03/29/2011
4
REDMOND, KATE
Exec Dt:
03/29/2011
Assignee
1
VORBECK MATERIALS CORP.
8306 PATUXENT RANGE ROAD #105
JESSUP, MARYLAND 20794
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120244333
13234602
Correspondence name and address
COOLEY LLP
777 6TH STREET
ATTN: PATENT GROUP
WASHINGTON, DC 20001
Assignment: 12
Reel/Frame:027592/0610   Pages: 6
Recorded: 01/25/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AKSAY, ILHAN A.
Exec Dt:
03/21/2011
2
LETTOW, JOHN S.
Exec Dt:
03/29/2011
3
REDMOND, KATE
Exec Dt:
03/29/2011
Assignee
1
VORBECK MATERIALS CORP.
8306 PATUXENT RANGE ROAD
#105
JESSUP, MARYLAND 20794
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120237749
13234668
Correspondence name and address
COOLEY LLP
777 6TH STREET
ATTN: PATENT GROUP
WASHINGTON, DC 20001
Assignment: 13
Reel/Frame:028215/0736   Pages: 6
Recorded: 05/16/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AKSAY, ILHAN A.
Exec Dt:
03/21/2011
2
LETTOW, JOHN S.
Exec Dt:
03/29/2011
3
REDMOND, KATE
Exec Dt:
03/29/2011
Assignee
1
VORBECK MATERIALS CORP.
8306 PATUXENT RANGE ROAD
#105
JESSUP, MARYLAND 20794
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8449959
US20120121840
13234654
Correspondence name and address
COOLEY LLP
777 6TH STREET NW
ATTN: PATENT GROUP
WASHINGTON, DC 20001
Assignment: 14
Reel/Frame:032184/0066   Pages: 7
Recorded: 02/10/2014
Attorney Dkt #:VORB-003/02US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AKSAY, ILHAN A.
Exec Dt:
03/21/2011
2
LETTOW, JOHN S.
Exec Dt:
03/29/2011
3
REDMOND, KATE
Exec Dt:
03/29/2011
Assignee
1
VORBECK MATERIALS CORP.
8306 PATUXENT RANGE ROAD
#105
JESSUP, MARYLAND 20794
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9085667
US20130302588
13870603
Correspondence name and address
COOLEY LLP
1299 PENNSYLVANIA AVENUE, NW
PATENT GROUP
WASHINGTON, DC 20004
Assignment: 15
Reel/Frame:037702/0529   Pages: 4
Recorded: 02/11/2016
Attorney Dkt #:455318US23X
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POPE, MICHAEL A.
Exec Dt:
01/20/2016
2
ALAIN-RIZZO, VALERIE
Exec Dt:
01/20/2016
3
LETTOW, JOHN S.
Exec Dt:
01/20/2016
Assignee
1
VORBECK MATERIALS CORPORATION
8306 PATUXENT RANGE ROAD, UNIT 112
JESSUP, MARYLAND 20794
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150364738
14739184
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

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