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Patent Assignment Assignor Details
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Assignor Name : DEMPSTER, IAN
Total Assignments: 23
Assignment: 1
Reel/Frame:023671/0975   Pages: 6
Recorded: 12/17/2009
Attorney Dkt #:OPTM-1-1003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMPSTER, IAN
Exec Dt:
12/14/2009
2
ERPELDING, BEN
Exec Dt:
12/14/2009
3
HANNA, JAMES
Exec Dt:
12/14/2009
Assignee
1
OPTIMUM ENERGY, LLC
5900 FOURTH AVENUE SOUTH, SUITE 200
SEATTLE, WASHINGTON 98103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8219250
US20100114385
12609452
Correspondence name and address
BLACK LOWE & GRAHAM, PLLC
701 FIFTH AVENUE
SUITE 4800
SEATTLE, WA 98104
Assignment: 2
Reel/Frame:024934/0145   Pages: 6
Recorded: 09/02/2010
Attorney Dkt #:OPTM-1-1004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMPSTER, IAN
Exec Dt:
09/01/2010
2
ERPELDING, BEN
Exec Dt:
09/01/2010
3
MATTHYS, CLARK
Exec Dt:
09/01/2010
4
HANNA, JAMES
Exec Dt:
09/01/2010
Assignee
1
OPTIMUM ENERGY, LLC
411 FIRST AVENUE
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8897921
US20110054698
12874607
Correspondence name and address
RICHARD C. VERSHAVE
701 FIFTH AVENUE
SUITE 4800
SEATTLE, WA 98104
Assignment: 3
Reel/Frame:050855/0838   Pages: 6
Recorded: 10/29/2019
Attorney Dkt #:206240-1062
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMPSTER, IAN
Exec Dt:
09/01/2010
2
ERPELDING, BEN
Exec Dt:
09/01/2010
3
MATTHYS, CLARK
Exec Dt:
09/01/2010
4
HANNA, JAMES
Exec Dt:
09/01/2010
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10505748
US20160153675
14524069
Correspondence name and address
FOSTER GARVEY PC
1111 THIRD AVENUE
SUITE 3000
SEATTLE, WA 98101
Assignment: 4
Reel/Frame:060539/0200   Pages: 6
Recorded: 07/18/2022
Attorney Dkt #:720188.413D2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMPSTER, IAN
Exec Dt:
09/01/2010
2
ERPELDING, BEN
Exec Dt:
09/01/2010
3
MATTHYS, CLARK
Exec Dt:
09/01/2010
4
HANNA, JAMES
Exec Dt:
09/01/2010
Assignee
1
OPTIMUM ENERGY, LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11438189
US20160153676
14524103
Correspondence name and address
SEED INTELLECTUAL PROPERTY LAW GROUP LLP
701 FIFTH AVE
SUITE 5400
SEATTLE, WA 98104
Assignment: 5
Reel/Frame:027587/0424   Pages: 4
Recorded: 01/24/2012
Attorney Dkt #:206240-1005-103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROTHMAN, NATHAN F
Exec Dt:
01/13/2012
2
DEMPSTER, IAN
Exec Dt:
01/05/2012
Assignee
1
OPTIMUM ENERGY, LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130048114
13219481
Correspondence name and address
FOSTER PEPPER PLLC
1111 3RD AVENUE SUITE 3400
SEATTLE, WA 98101-3299
Assignment: 6
Reel/Frame:027819/0682   Pages: 5
Recorded: 03/07/2012
Attorney Dkt #:206240-1038-111
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERPELDING, BEN
Exec Dt:
03/01/2012
2
DEMPSTER, IAN
Exec Dt:
02/02/2012
Assignee
1
OPTIMUM ENERGY, LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130125565
13299182
Correspondence name and address
FOSTER PEPPER PLLC
1111 3RD AVENUE SUITE 3400
SEATTLE, WA 98101-3299
Assignment: 7
Reel/Frame:049951/0969   Pages: 6
Recorded: 08/03/2019
Attorney Dkt #:206240-1072
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERPELDING, BEN
Exec Dt:
03/01/2012
2
DEMPSTER, IAN
Exec Dt:
02/22/2012
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10415869
US20170343267
15682320
Correspondence name and address
FOSTER PEPPER PLLC
1111 THIRD AVENUE
SUITE 3000
SEATTLE, WA 98101
Assignment: 8
Reel/Frame:061855/0986   Pages: 6
Recorded: 11/22/2022
Attorney Dkt #:720188.415C3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERPELDING, BEN
Exec Dt:
03/01/2012
2
DEMPSTER, IAN
Exec Dt:
02/22/2012
Assignee
1
OPTIMUM ENERGY, LLC
411 FIRST AVENUE SOUTH
STE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11536507
US20200116415
16716013
Correspondence name and address
SEED INTELLECTUAL PROPERTY LAW GROUP
701 FIFTH AVENUE
SUITE 5400
SEATTLE, WA 98104
Assignment: 9
Reel/Frame:028511/0959   Pages: 4
Recorded: 07/09/2012
Attorney Dkt #:206240-1044-100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMPSTER, IAN
Exec Dt:
06/14/2012
2
ERPELDING, BEN
Exec Dt:
06/16/2012
3
HANNA, JAMES
Exec Dt:
06/12/2012
Assignee
1
OPTIMUM ENERGY, LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120271462
13494432
Correspondence name and address
FOSTER PEPPER PLLC
1111 3RD AVENUE SUITE 3400
SEATTLE, WA 98101-3299
Assignment: 10
Reel/Frame:028569/0347   Pages: 4
Recorded: 07/17/2012
Attorney Dkt #:206240-1039-112
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DEMPSTER, IAN
Exec Dt:
07/16/2012
Assignee
1
OPTIMUM ENERGY, LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140012429
13543520
Correspondence name and address
FOSTER PEPPER PLLC
1111 3RD AVENUE SUITE 3400
SEATTLE, WA 98101-3299
Assignment: 11
Reel/Frame:042380/0753   Pages: 4
Recorded: 05/15/2017
Attorney Dkt #:206240-1071-112
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DEMPSTER, IAN
Exec Dt:
07/16/2012
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11221597
US20170315580
15593094
Correspondence name and address
FOSTER PEPPER PLLC
1111 THIRD AVE
SUITE 3000
SEATTLE, WA 98101
Assignment: 12
Reel/Frame:033056/0921   Pages: 4
Recorded: 06/09/2014
Attorney Dkt #:206240-1047-112
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DEMPSTER, IAN
Exec Dt:
05/14/2013
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE
STE. 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140379139
14299293
Correspondence name and address
FOSTER PEPPER PLLC
1111 3RD AVENUE SUITE 3400
SEATTLE, WA 98101-3299
Assignment: 13
Reel/Frame:038719/0631   Pages: 4
Recorded: 05/25/2016
Attorney Dkt #:206240-1065-100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMPSTER, IAN
Exec Dt:
06/03/2015
2
ERPELDING, BEN
Exec Dt:
06/11/2015
3
HANNA, JAMES
Exec Dt:
06/03/2015
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVE. S
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10408481
US20150226446
14693722
Correspondence name and address
FOSTER PEPPER PLLC
1111 3RD AVENUE SUITE 3000
SEATTLE, WA 98101-3296
Assignment: 14
Reel/Frame:050068/0047   Pages: 4
Recorded: 08/15/2019
Attorney Dkt #:206240-1089
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMPSTER, IAN
Exec Dt:
06/03/2015
2
ERPELDING, BEN
Exec Dt:
06/11/2015
3
HANNA, JAMES
Exec Dt:
06/03/2015
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11473796
US20190368759
16542082
Correspondence name and address
FOSTER PEPPER PLLC
1111 3RD AVENUE SUITE 3000
SEATTLE, WA 98101-3296
Assignment: 15
Reel/Frame:037804/0845   Pages: 4
Recorded: 02/23/2016
Attorney Dkt #:206240-1066-103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROTHMAN, NATHAN F
Exec Dt:
02/15/2016
2
DEMPSTER, IAN
Exec Dt:
02/05/2016
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVE. S
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9810438
US20160054009
14930348
Correspondence name and address
FOSTER PEPPER PLLC
1111 3RD AVENUE SUITE 3400
SEATTLE, WA 98101-3299
Assignment: 16
Reel/Frame:048297/0149   Pages: 4
Recorded: 02/11/2019
Attorney Dkt #:206240-1073
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROTHMAN, NATHAN F.
Exec Dt:
02/15/2016
2
DEMPSTER, IAN
Exec Dt:
02/05/2016
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10612794
US20180156472
15729546
Correspondence name and address
FOSTER PEPPER PLLC
1111 THIRD AVENUE
SUITE 3000
SEATTLE, WA 98101
Assignment: 17
Reel/Frame:040431/0895   Pages: 4
Recorded: 11/28/2016
Attorney Dkt #:206240-1060-116
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JONES, THOMAS
Exec Dt:
11/23/2016
2
DEMPSTER, IAN
Exec Dt:
11/23/2016
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160283844
14671735
Correspondence name and address
FOSTER PEPPER PLLC
1111 3RD AVENUE SUITE 3000
SEATTLE, WA 98101-3296
Assignment: 18
Reel/Frame:043307/0517   Pages: 4
Recorded: 08/16/2017
Attorney Dkt #:206240-1070
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMPSTER, IAN
Exec Dt:
06/01/2017
2
MATTHYS, CLARK
Exec Dt:
06/01/2017
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170241661
15405249
Correspondence name and address
FOSTER PEPPER PLLC
1111 THIRD AVENUE
SUITE 3000
SEATTLE, WA 98101
Assignment: 19
Reel/Frame:043307/0724   Pages: 4
Recorded: 08/16/2017
Attorney Dkt #:206240-1068
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMPSTER, IAN
Exec Dt:
06/01/2017
2
MATTHYS, CLARK
Exec Dt:
06/01/2017
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11294343
US20170198933
15405194
Correspondence name and address
FOSTER PEPPER PLLC
1111 THIRD AVENUE
SUITE 3000
SEATTLE, WA 98101
Assignment: 20
Reel/Frame:044834/0296   Pages: 5
Recorded: 02/05/2018
Attorney Dkt #:206240-1061-116
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JONES, THOMAS
Exec Dt:
01/29/2018
2
DEMPSTER, IAN
Exec Dt:
01/25/2018
3
MATTHYS, CLARK
Exec Dt:
01/26/2018
4
CHEN, PENG
Exec Dt:
01/25/2018
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9967107
US20160187896
14582732
Correspondence name and address
FOSTER PEPPER PLLC
1111 THIRD AVENUE
SUITE 3000
SEATTLE, WA 98101
Assignment: 21
Reel/Frame:046489/0622   Pages: 5
Recorded: 07/27/2018
Attorney Dkt #:206240-1077-116
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JONES, THOMAS
Exec Dt:
01/29/2018
2
DEMPSTER, IAN
Exec Dt:
01/25/2018
3
MATTHYS, CLARK
Exec Dt:
01/26/2018
4
CHEN, PENG
Exec Dt:
01/25/2018
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10461954
US20180323994
15942306
Correspondence name and address
FOSTER PEPPER PLLC
1111 THIRD AVENUE
SUITE 3000
SEATTLE, WA 98101
Assignment: 22
Reel/Frame:051040/0918   Pages: 5
Recorded: 11/18/2019
Attorney Dkt #:206240-1070
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERPELDING, BEN
Exec Dt:
07/31/2019
2
DEMPSTER, IAN
Exec Dt:
08/02/2019
3
CHEN, PENG
Exec Dt:
08/02/2019
4
MATTHYS, CLARK
Exec Dt:
11/04/2019
Assignee
1
OPTIMUM ENERGY LLC
411 FIRST AVENUE SOUTH
SUITE 620
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170241661
15405249
Correspondence name and address
FOSTER GARVEY PC
1111 THIRD AVENUE
SUITE 3000
SEATTLE, WA 98101
Assignment: 23
Reel/Frame:051928/0467   Pages: 6
Recorded: 02/13/2020
Attorney Dkt #:720188.41501WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERPELDING, BEN
Exec Dt:
01/31/2020
2
DEMPSTER, IAN
Exec Dt:
01/31/2020
Assignee
1
OPTIMUM ENERGY, LLC
411 FIRST AVENUE SOUTH
SUITE 500
SEATTLE, WASHINGTON 98104
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10415869
US20170343267
15682320
Correspondence name and address
SEED IP LAW GROUP LLP
701 FIFTH AVENUE
SUITE 5400
SEATTLE, WA 98104

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