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Patent Assignment Assignor Details
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Assignor Name : DREISINGER, DAVID
Total Assignments: 18
Assignment: 1
Reel/Frame:007663/0564   Pages: 6
Recorded: 10/06/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARCHBANK, ANDREW R.
Exec Dt:
02/22/1995
2
THOMAS, KENNETH G.
Exec Dt:
02/27/1995
3
DREISINGER, DAVID
Exec Dt:
09/06/1995
4
FLEMING, CHRISTOPHER
Exec Dt:
04/03/1995
Assignee
1
BARRICK GOLD CORPORATION
200 BAY STREET, SUITE 2700
ROYAL BANK PLAZA, SOUTH TOWER
TORONTO, ONTARIO, CANADA M5J 2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5536297
NONE
08389016
Correspondence name and address
SENNINGER, POWERS, LEAVITT ET AL
PAUL I. J. FLEISCHUT
ONE METROPOLITAN SQUARE
16TH FLOOR
ST. LOUIS, MO 63102
Assignment: 2
Reel/Frame:008236/0268   Pages: 6
Recorded: 11/21/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARCHBANK, ANDREW R.
Exec Dt:
08/26/1996
2
THOMAS, KENNETH G.
Exec Dt:
10/15/1996
3
DREISINGER, DAVID
Exec Dt:
10/03/1996
4
FLEMING, CHRISTOPHER
Exec Dt:
10/04/1996
Assignee
1
BARRICK GOLD CORPORATION
200 BAY STREET, SUITE 2700
ROYAL BANK PLAZA, SOUTH TOWER
TORONTO, ONTARIO, CANADA M5J 2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5785736
NONE
08680906
Correspondence name and address
SENNIGER, POWERS, LEAVITT & ROEDEL
PAUL I. J. FLEISCHUT
ONE METROPOLITAN SQUARE
16TH FLOOR
ST. LOUIS, MO 63102
Assignment: 3
Reel/Frame:010285/0024   Pages: 3
Recorded: 10/04/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DREISINGER, DAVID
Exec Dt:
07/31/1999
Assignee
1
INTERNATIONAL PGM TECHNOLOGIES LIMITED
185 CONCESSION STREET
LAKEFIELD, ONTARIO, CANADA K0L 2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6315812
NONE
09300878
Correspondence name and address
WYATT, GERBER, MELLER & O'ROURKE L.L.P
THOMAS A. O'ROURKE
99 PARK AVENUE
NEW YORK, NEW YORK 10016
Assignment: 4
Reel/Frame:011775/0680   Pages: 5
Recorded: 05/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RICHMOND, GEOFFREY
Exec Dt:
03/01/2001
2
DREISINGER, DAVID
Exec Dt:
04/04/2001
Assignee
1
WESTERN METALS COPPER LIMITED
39 RIVER ROAD
BURNIE, TASMANIA, AUSTRALIA 7320
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6537440
NONE
09744422
Correspondence name and address
OTTO O. LEE
INTELLECTUAL PROPERTY LAW GROUP, LLP
12 SOUTH FIRST STREET, TWELFTH FLOOR
SAN JOSE, CALIFORNIA 95113
Domestic representative
OTTO O. LEE
INTELLECTUAL PROPERTY LAW GROUP
12 SOUTH FIRST STREET, STE. #1212
SAN JOSE, CA 95113
Assignment: 5
Reel/Frame:012104/0817   Pages: 3
Recorded: 08/20/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, HONGGUANG
Exec Dt:
05/16/2001
2
DREISINGER, DAVID
Exec Dt:
04/23/2001
Assignee
1
UNIVERSITY OF BRITISH COLUMBIA, THE
UNIVERSITY INDUSTRY LIAISON OFFICE, IRC BUILDING, ROOM 331
2194 HEALTH SCIENCES MALL
VANCOUVER, BRITISH COLUMBIA, BRITISH COLUMBIA V6T 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6632264
US20030051581
09837756
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
D. BRUCE PROUT
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 6
Reel/Frame:018919/0524   Pages: 5
Recorded: 02/22/2007
Attorney Dkt #:1510.011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DREISINGER, DAVID
Exec Dt:
08/18/2006
2
PRATT, GRAHAM
Exec Dt:
01/24/2007
3
BAXTER, KENNETH GORDON
Exec Dt:
10/26/2006
Assignee
1
OXIANA LIMITED
LEVEL 9
31 QUEEN STREET
MELBOURNE, AUSTRALIA VIC 3000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7799295
US20080050293
10578533
Correspondence name and address
ERIKA J. SENSKA
5 COLUMBIA CIRCLE
HESLIN ROTHENBERG FARLEY & MESITI P.C.
ALBANY, NY 12203
Assignment: 7
Reel/Frame:028823/0934   Pages: 5
Recorded: 08/21/2012
Attorney Dkt #:4810-82218-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DREISINGER, DAVID
Exec Dt:
11/20/2008
2
FLEMING, CHRIS A.
Exec Dt:
11/24/2008
Assignee
1
INTERNATIONAL PGM TECHNOLOGIES
5233 BENTLEY CRESCENT,
DELTA
BRITISH COLUMBIA, CANADA V4K 4K2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9039806
US20100206135
12300993
Correspondence name and address
GILLIAN GARDNER, KLARQUIST SPARKMAN, LLP
121 S.W. SALMON STREET
SUITE 1600
PORTLAND, OR 97204
Assignment: 8
Reel/Frame:031425/0653   Pages: 8
Recorded: 10/17/2013
Attorney Dkt #:18025
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DREISINGER, DAVID
Exec Dt:
10/05/2013
2
VERBAAN, CORNELIS
Exec Dt:
08/30/2013
3
FITCH, RALPH
Exec Dt:
08/30/2013
Assignee
1
SOUTH AMERICAN SILVER CORP.
650 WEST GEORGIA STREET
SUITE 2100
VANCOUVER, BRITISH COLUMBIA, CANADA V6B 4N8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8585991
US20120328494
13462698
Correspondence name and address
DOWELL & DOWELL, P.C.
103 ORONOCO STREET
SUITE 220
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:031600/0894   Pages: 4
Recorded: 11/14/2013
Attorney Dkt #:BAS-103-B (PF74499)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DREISINGER, DAVID
Exec Dt:
11/05/2013
2
WU, ZHENGHUI
Exec Dt:
11/10/2013
Assignee
1
THE UNIVERSITY OF BRITISH COLUMBIA
103-6190 AGRONOMY ROAD
VANCOUVER
BRITISH COLUMBIA, CANADA V6T 1Z3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9322104
US20140131219
14076564
Correspondence name and address
JULIA CHURCH DIERKER
3331 W. BIG BEAVER ROAD
SUITE 109
TROY, MI 48084
Assignment: 10
Reel/Frame:031601/0064   Pages: 4
Recorded: 11/14/2013
Attorney Dkt #:BAS-104-B (PF74498)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DREISINGER, DAVID
Exec Dt:
11/05/2013
2
WU, ZHENGHUI
Exec Dt:
11/10/2013
Assignee
1
THE UNIVERSITY OF BRITISH COLUMBIA
103-6190 AGRONOMY ROAD
VANCOUVER
BRITISH COLUMBIA, CANADA V6T 1Z3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9322105
US20140131220
14076662
Correspondence name and address
JULIA CHURCH DIERKER
3331 W. BIG BEAVER ROAD
SUITE 109
TROY, MI 48084
Assignment: 11
Reel/Frame:041049/0259   Pages: 8
Recorded: 01/23/2017
Attorney Dkt #:GOWLI-35132/US-2/PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DREISINGER, DAVID
Exec Dt:
08/16/2015
2
VERBAAN, CORNELIS
Exec Dt:
08/04/2015
Assignee
1
SGS CANADA INC.
6490 VIPOND DR.
MISSISSAUGA, CANADA L5T 1W8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10273562
US20170204499
15327694
Correspondence name and address
JASON R. BOND
2275 DEMING WAY, SUITE 310
MIDDLETON, WI 53562
Assignment: 12
Reel/Frame:046486/0944   Pages: 10
Recorded: 07/27/2018
Attorney Dkt #:050847-506N01US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOKMELI, MOHAMMAD
Exec Dt:
09/10/2017
2
DREISINGER, DAVID
Exec Dt:
09/09/2017
3
TRUEMAN, DAVID L.
Exec Dt:
02/28/2018
4
DOWNING, BRUCE W.
Exec Dt:
01/20/2018
5
MCWILLIAM, BILL
Exec Dt:
09/06/2017
Assignee
1
CASCADERO COPPER CORPORATION
554 EAST KINGS ROAD
NORTH VANCOUVER, CANADA V7N 1J3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10738370
US20190048437
16073567
Correspondence name and address
WILLIAM B. KEZER
MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO P.C.
44 MONTGOMERY STREET, 36TH FLOOR
SAN FRANCISCO, CA 94104
Assignment: 13
Reel/Frame:053563/0288   Pages: 7
Recorded: 08/21/2020
Attorney Dkt #:GOWLI-38433.202
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOHAMMADI, MARYAM
Exec Dt:
04/21/2020
2
WASSINK, BEREND
Exec Dt:
04/21/2020
3
LU, JIANMING
Exec Dt:
04/21/2020
4
DREISINGER, DAVID
Exec Dt:
04/20/2020
Assignee
1
SEABRIDGE GOLD INC.
106 FRONT STREET EAST, SUITE 400
TORONTO, CANADA M5A 1E1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11370677
US20210221716
16845608
Correspondence name and address
MARY ANN BROW
2275 DEMING WAY, SUITE 310
MIDDLETON, WI 53562
Assignment: 14
Reel/Frame:060716/0516   Pages: 7
Recorded: 08/04/2022
Attorney Dkt #:GOWL-38433.303
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOHAMMADI, MARYAM
Exec Dt:
04/21/2020
2
WASSINK, BEREND
Exec Dt:
04/21/2020
3
LU, JIANMING
Exec Dt:
04/21/2020
4
DREISINGER, DAVID
Exec Dt:
04/20/2020
Assignee
1
SEABRIDGE GOLD INC.
106 FRONT STREET EAST
SUITE 400
TORONTO, CANADA M5A 1E1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11958764
US20220281762
17750986
Correspondence name and address
MARY ANN BROW
2275 DEMING WAY SUITE 310
MIDDLETON, WI 53562
Assignment: 15
Reel/Frame:054492/0627   Pages: 4
Recorded: 11/30/2020
Attorney Dkt #:050847-510001US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAXTER, KEN
Exec Dt:
10/29/2020
2
DREISINGER, DAVID
Exec Dt:
10/06/2020
3
FUKUDA, HIROKI
Exec Dt:
10/06/2020
Assignee
1
INCOR LITHIUM
38 AGIAS FYLAXEOS
NICOLAS COURT 2, 203
NICOSIA, CYPRUS 3025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11634789
US20210079497
17021453
Correspondence name and address
MINTZ
ONE FINANCIAL CENTER
BOSTON, MA 02111
Assignment: 16
Reel/Frame:063762/0336   Pages: 4
Recorded: 05/25/2023
Attorney Dkt #:GOWLI-42008.252
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEY, JEREMY WILLIAM
Exec Dt:
12/06/2021
2
DREISINGER, DAVID
Exec Dt:
12/06/2021
Assignee
1
NEGATIVE EMISSIONS MATERIALS, INC.
651 N BROAD ST, SUITE 206
MIDDLETOWN
NEW CASTLE, DELAWARE 19709
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240002973
18038813
Correspondence name and address
CASIMIR JONES, S.C.
2275 DEMING WAY STE 310
MIDDLETON, WI 53562
Assignment: 17
Reel/Frame:060830/0365   Pages: 7
Recorded: 08/17/2022
Attorney Dkt #:019843.0651 (HQ-00381)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GELDART, BENJAMIN DAVID
Exec Dt:
08/04/2022
2
DREISINGER, DAVID
Exec Dt:
08/03/2022
3
VERBAAN, NIELS
Exec Dt:
08/17/2022
4
CANIZARES, MARLON
Exec Dt:
08/17/2022
Assignee
1
LOCKHEED MARTIN CORPORATION
6801 ROCKLEDGE DRIVE
BETHESDA, MARYLAND 20817
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240043962
17817727
Correspondence name and address
BAKER BOTTS LLP
2001 ROSS AVENUE
SUITE 900
DALLAS, TX 75201
Assignment: 18
Reel/Frame:065521/0348   Pages: 5
Recorded: 11/10/2023
Attorney Dkt #:050847-513N01US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DREISINGER, DAVID
Exec Dt:
05/18/2023
2
WANG, FEI
Exec Dt:
04/28/2023
Assignee
1
THE UNIVERSITY OF BRITISH COLUMBIA
UNIVERSITY-INDUSTRY LIAISON OFFICE
103-6190 AGRONOMY ROAD
VANCOUVER, BRITISH COLUMBIA V6T 1Z3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230407436
18249144
Correspondence name and address
MINTZ, LEVIN, COHN, FERRIS, GLOVSKY AND POPEO, P.C
ONE FINANCIAL CENTER
BOSTON, MA 02111

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