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Patent Assignment Assignor Details
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Assignor Name : DUBROVSKY, MICHAEL
Total Assignments: 21
Assignment: 1
Reel/Frame:004337/0366   Pages: 1
Recorded: 11/19/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUBRED, GALE L.
Exec Dt:
11/16/1984
2
DUBROVSKY, MICHAEL
Exec Dt:
11/16/1984
Assignee
1
CHEVRON RESEARCH COMPANY
A CORP. OF DE
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4600483
NONE
06672777
Correspondence name and address
J. A. BUCHANAN, JR.
P.O. BOX 7643
SAN FRANCISCO, CA 94120
Assignment: 2
Reel/Frame:005858/0148   Pages: 3
Recorded: 09/27/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBROVSKY, MICHAEL
Exec Dt:
09/19/1991
Assignee
1
CHEVRON RESEARCH AND TECHNOLOGY COMPANY A CORP. OF DELAWARE
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5074910
NONE
07489736
Correspondence name and address
CHEVRON CORPORATION
LAW DEPARTMENT
P.O. BOX 7141
SAN FRANCISCO, CA 94120-7141
Assignment: 3
Reel/Frame:005886/0507   Pages: 2
Recorded: 10/23/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUBROVSKY, MICHAEL
Exec Dt:
10/07/1991
2
MARCANTONIO, PAUL J.
Exec Dt:
10/07/1991
Assignee
1
CHEVRON RESEARCH AND TECHNOLOGY COMPANY A CORPORATION OF DE
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5104445
NONE
07523822
Correspondence name and address
T.G DE JONGHE
BURNS, DOANE, SWECKER & MATHIS
WASHINGTON & PRINCE ST.
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 4
Reel/Frame:005924/0314   Pages: 2
Recorded: 11/21/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBROVSKY, MICHAEL
Exec Dt:
11/18/1991
Assignee
1
CHEVRON RESEARCH AND TECHNOLOGY COMPANY A CORP. OF DELAWARE
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5236590
NONE
07796104
Correspondence name and address
ROBERT D. TOUSLEE
CHEVRON CORPORATION
555 MARKET STREET, 4TH FLOOR
SAN FRANCISCO, CA 94105
Assignment: 5
Reel/Frame:006346/0586   Pages: 2
Recorded: 10/06/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUBROVSKY, MICHAEL
Exec Dt:
09/18/1992
2
LYNCH, STEVEN D.
Exec Dt:
09/15/1992
3
SCIAMANNA, STEVEN F.
Exec Dt:
09/25/1992
Assignee
1
CHEVRON RESEARCH AND TECHNOLOGY COMPANY
P.O. BOX 1627
RICHMOND, CALIFORNIA 94802-0627
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5269934
NONE
07957347
Correspondence name and address
JAMES W. AMBROSIUS
CHEVRON CORPORATION
PATENT AND LICENSING UNIT
P.O. BOX 7141
SAN FRANCISCO, CA 94120-7141
Assignment: 6
Reel/Frame:006346/0588   Pages: 2
Recorded: 12/14/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBROVSKY, MICHAEL
Exec Dt:
09/18/1992
Assignee
1
CHEVRON RESEARCH AND TECHNOLOGY COMPANY
P.O. BOX 1627
RICHMOND, CALIFORNIA 94802-0627
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5269934
NONE
07957347
Correspondence name and address
JAMES W. AMBROSIUS
CHEVRON CORPORATION
PATENT AND LICENSING UNIT
P.O. BOX 7141
SAN FRANCISCO, CA 94120-7141
Assignment: 7
Reel/Frame:012460/0219   Pages: 3
Recorded: 10/24/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUNSON, CURTIS L.
Exec Dt:
09/24/2001
2
DUBROVSKY, MICHAEL
Exec Dt:
10/04/2001
Assignee
1
CHEVRON U.S.A. INC.
P.O. BOX 6006
SAN RAMON, CALIFORNIA 95483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030075507
10084882
Correspondence name and address
BURNS, DOANE, SWECKER & MATHIS, L.L.P.
T. GENE DILLAHUNTY
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 8
Reel/Frame:012297/0971   Pages: 4
Recorded: 11/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUNSON, CURTIS L.
Exec Dt:
10/24/2001
2
DUBROVSKY, MICHAEL
Exec Dt:
10/24/2001
3
MILLER, STEPHEN
Exec Dt:
10/24/2001
Assignee
1
CHEVRON U.S.A. INC.
PO BOX 6006
SAN RAMON, CALIFORNIA 95483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030051874
09960159
Correspondence name and address
BURNS, DOANE, SWECKER ET AL.
T. GENE DILLAHUNTY
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 9
Reel/Frame:012349/0786   Pages: 3
Recorded: 10/30/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UNDERDOWN, DAVID R.
Exec Dt:
10/25/2001
2
DUBROVSKY, MICHAEL
Exec Dt:
10/25/2001
Assignee
1
CHEVRON U.S.A. INC.
2613 CAMINO RAMON
SAN RAMON, CALIFORNIA 94583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030080061
10000637
Correspondence name and address
CHEVRON TEXACO CORPORATION
LAW DEPT.
INTELLECTUAL PROPERTY UNIT
2613 CAMINO RAMON
SAN RAMON, CA 94583
Assignment: 10
Reel/Frame:015043/0232   Pages: 2
Recorded: 03/08/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBROVSKY, MICHAEL
Exec Dt:
02/26/2004
Assignee
1
CHEVRON U.S.A. INC.
6001 BOLLINGER CANYON ROAD
SAN RAMON, CALIFORNIA 94583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7282152
US20050079114
10683614
Correspondence name and address
CHEVRON TEXACO CORPORATION
STEVEN H. ROTH
INTELLECTUAL PROPERTY UNIT
P.O. BOX 6006
SAN RAMON, CA 94583-0806
Assignment: 11
Reel/Frame:025722/0327   Pages: 6
Recorded: 01/31/2011
Attorney Dkt #:T-8513
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BHADURI, RAHUL SHANKAR
Exec Dt:
01/24/2011
2
KUPERMAN, ALEXANDER
Exec Dt:
01/27/2011
3
DUBROVSKY, MICHAEL
Exec Dt:
01/27/2011
Assignees
1
CHEVRON CORPORATION
6001 BOLLINGER CANYON RD.
PO BOX 6006
SAN RAMON, CALIFORNIA 94583-0806
2
CHEVRON U.S.A. INC.
6001 BOLLINGER CANYON ROAD
PO BOX 6006
SAN RAMON, CALIFORNIA 94583-0806
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8834725
US20120193296
13017417
Correspondence name and address
HANH T. PHAM
6001 BOLLINGER CANYON RD.
CHEVRON CORPORATION, PO BOX 6006
SAN RAMON, CA 94583-0806
Assignment: 12
Reel/Frame:029405/0305   Pages: 8
Recorded: 12/04/2012
Attorney Dkt #:T-8513 CORRECTIVE ASSGMT
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE RECEIVING PARTY FROM CHEVRON CORPORATION PREVIOUSLY RECORDED ON REEL 025722 FRAME 0327. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT HEREBY SELL, ASSIGN, TRANSFER AND SET OVER UNTO SAID CHEVRON U.S.A. INC..
Assignors
1
BHADURI, RAHUL SHANKAR
Exec Dt:
01/24/2011
2
KUPERMAN, ALEXANDER
Exec Dt:
01/27/2011
3
DUBROVSKY, MICHAEL
Exec Dt:
01/27/2011
Assignee
1
CHEVRON U.S.A. INC.
6001 BOLLINGER CANYON ROAD
P.O. BOX 6006
SAN RAMON, CALIFORNIA 94583-0806
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8834725
US20120193296
13017417
Correspondence name and address
CHEVRON CORPORATION
6001 BOLLINGER CANYON ROAD
P.O. BOX 6006
SAN RAMON, CA 94583-0806
Assignment: 13
Reel/Frame:042086/0888   Pages: 3
Recorded: 04/20/2017
Attorney Dkt #:MESY-00300US 323131-2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBROVSKY, MICHAEL
Exec Dt:
01/10/2016
Assignee
1
MOVE SYSTEMS, INC.
29-28 41ST AVENUE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9776525
US20160059804
14474842
Correspondence name and address
AMY K. DODENHOFF
1299 PENNSYLVANIA AVENUE NW, SUITE 700
COOLEY LLP
WASHINGTON, DC 20004
Assignment: 14
Reel/Frame:045206/0665   Pages: 3
Recorded: 03/14/2018
Attorney Dkt #:MESY-00301US 323131-2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBROVSKY, MICHAEL
Exec Dt:
01/10/2016
Assignee
1
MOVE SYSTEMS, INC.
29-28 41ST AVENUE
LONG ISLAND CITY, NEW YORK 11101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170341525
15679887
Correspondence name and address
AMY K. DODENHOFF
1299 PENNSYLVANIA AVENUE NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 15
Reel/Frame:062722/0768   Pages: 9
Recorded: 02/16/2023
Attorney Dkt #:SOX-002WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VERMEULEN, DIEDRIK RENE
Exec Dt:
05/10/2021
2
DUBROVSKY, MICHAEL
Exec Dt:
05/10/2021
3
GUNDAVARAPU, SARAT
Exec Dt:
05/11/2021
Assignee
1
SIPHOX, INC.
325 VASSAR ST
SUITE #2
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230133866
17918102
Correspondence name and address
GOODWIN PROCTER LLP
100 NORTHERN AVENUE
IP DOCKETING DEPT./7TH FL
BOSTON, MA 02210
Assignment: 16
Reel/Frame:062722/0788   Pages: 8
Recorded: 02/16/2023
Attorney Dkt #:SOX-003WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VERMEULEN, DIEDRIK RENE
Exec Dt:
05/11/2021
2
DUBROVSKY, MICHAEL
Exec Dt:
05/11/2021
Assignee
1
SIPHOX, INC.
325 VASSAR ST
SUITE #2
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230186005
17922321
Correspondence name and address
GOODWIN PROCTER LLP
100 NORTHERN AVENUE
IP DOCKETING DEPT./7TH FL
BOSTON, MA 02210
Assignment: 17
Reel/Frame:057258/0817   Pages: 3
Recorded: 08/23/2021
Attorney Dkt #:1214-002USU1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VERMEULEN, DIEDRIK RENE
Exec Dt:
08/17/2021
2
DUBROVSKY, MICHAEL
Exec Dt:
08/18/2021
Assignee
1
SIPHOX, INC.
111 TERRACE HALL AVENUE
BURLINGTON, MASSACHUSETTS 01803
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210382515
17338381
Correspondence name and address
CALDWELL INTELLECTUAL PROPERTY LAW, LLC
200 CLARENDON STREET, 59TH FLOOR
1024-010UST1
BOSTON, MA 02116
Assignment: 18
Reel/Frame:057258/0959   Pages: 3
Recorded: 08/23/2021
Attorney Dkt #:1214-003USU1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VERMEULEN, DIEDRIK RENE
Exec Dt:
08/17/2021
2
DUBROVSKY, MICHAEL
Exec Dt:
08/18/2021
Assignee
1
SIPHOX, INC.
111 TERRACE HALL AVENUE
BURLINGTON, MASSACHUSETTS 01803
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220049298
17403480
Correspondence name and address
CALDWELL INTELLECTUAL PROPERTY LAW, LLC
200 CLARENDON STREET, 59TH FLOOR
1024-010UST1
BOSTON, MA 02116
Assignment: 19
Reel/Frame:057259/0013   Pages: 2
Recorded: 08/23/2021
Attorney Dkt #:1214-001USU1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBROVSKY, MICHAEL
Exec Dt:
08/18/2021
Assignee
1
SIPHOX, INC.
111 TERRACE HALL AVENUE
BURLINGTON, MASSACHUSETTS 01803
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11891643
US20210381018
17337931
Correspondence name and address
CALDWELL INTELLECTUAL PROPERTY LAW, LLC
200 CLARENDON STREET, 59TH FLOOR
1024-010UST1
BOSTON, MA 02116
Assignment: 20
Reel/Frame:064403/0449   Pages: 4
Recorded: 07/27/2023
Attorney Dkt #:S22-139/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBROVSKY, MICHAEL
Exec Dt:
03/25/2022
2
PENKOVSKY, BOGDAN
Exec Dt:
03/31/2023
3
BALL, JR., MAYNARD MARSHALL
Exec Dt:
03/25/2022
Assignee
1
POWX INC.
15 GARRISON AVE
SOMERVILLE, MASSACHUSETTS 02144
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240004417
18126436
Correspondence name and address
THOMAS J. MCFARLANE
555 BRYANT STREET
UNIT 222
PALO ALTO, CA 94301
Assignment: 21
Reel/Frame:062397/0651   Pages: 5
Recorded: 01/17/2023
Attorney Dkt #:SOX-006WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBROVSKY, MICHAEL
Exec Dt:
01/13/2023
Assignee
1
SIPHOX, INC.
325 VASSAR ST
SUITE #2
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230272456
18008130
Correspondence name and address
GOODWIN PROCTER LLP
100 NORTHERN AVENUE
IP DOCKETING DEPT./7TH FL
BOSTON, MA 02210

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