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Patent Assignment Assignee Details
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Assignee Name : MOSTAR DIRECTIONAL TECHNOLOGIES INC.
Total Assignments: 9
Assignment: 1
Reel/Frame:019372/0218   Pages: 6
Recorded: 05/31/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/13/2007
2
Exec Dt:
04/13/2007
3
Exec Dt:
04/13/2007
4
Exec Dt:
04/13/2007
Assignee
1
3531 78 AVENUE SE
CALGARY, ALBERTA, CANADA T2C 1J7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11735151
Correspondence name and address
BRETT J. SLANEY
C/O BLAKE, CASSELS & GRAYDON LLP
199 BAY STREET, SUITE 2800
COMMERCE COURT WEST
TORONTO, ON M5L 1A9
Assignment: 2
Reel/Frame:027881/0741   Pages: 4
Recorded: 03/14/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/13/2007
2
Exec Dt:
04/13/2007
3
Exec Dt:
04/13/2007
4
Exec Dt:
04/13/2007
Assignee
1
3531 78 AVENUE SE
CALGARY, ALBERTA, CANADA T2C 1J7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13418019
Correspondence name and address
BRETT J. SLANEY
BLAKE CASSELS & GRAYDON LLP
COMMERCE COURT WEST, SUITE 4000
199 BAY STREET
TORONTO, ONTARIO M5L 1A9
Assignment: 3
Reel/Frame:031087/0584   Pages: 5
Recorded: 08/27/2013
Attorney Dkt #:87171/00037
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/13/2007
2
Exec Dt:
04/13/2007
3
Exec Dt:
04/13/2007
4
Exec Dt:
04/13/2007
Assignee
1
3531 78 AVENUE SE
CALGARY, CANADA T2C 1J7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14010600
Correspondence name and address
KATHERINE DUTKA
BLAKE, CASSELS & GRAYDON LLP
199 BAY STREET, SUITE 4000
TORONTO, M5L 1A9 CANADA
Assignment: 4
Reel/Frame:032871/0901   Pages: 5
Recorded: 05/12/2014
Attorney Dkt #:87171/00041
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/13/2007
2
Exec Dt:
04/13/2007
3
Exec Dt:
04/13/2007
4
Exec Dt:
04/13/2007
Assignee
1
3531 78 AVENUE SE
CALGARY, CANADA T2C 1J7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14275474
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP
BOX 25, COMMERCE COURT WEST
199 BAY STREET, SUITE 4000
TORONTO, M5L 1A9 CANADA
Assignment: 5
Reel/Frame:039558/0139   Pages: 5
Recorded: 08/26/2016
Attorney Dkt #:87171/00045
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/13/2007
2
Exec Dt:
04/13/2007
3
Exec Dt:
04/13/2007
4
Exec Dt:
04/13/2007
Assignee
1
3531 - 78 AVENUE S.E.
CALGARY, ALBERTA, CANADA T2C 1J7
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
15248705
 
15248782
 
15248948
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP - B. SLANEY
199 BAY STREET
SUITE 4000, COMMERCE COURT WEST
TORONTO, M5L 1A9 CANADA
Assignment: 6
Reel/Frame:049794/0982   Pages: 5
Recorded: 07/18/2019
Attorney Dkt #:87171/00055
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/13/2007
2
Exec Dt:
04/13/2007
3
Exec Dt:
04/13/2007
4
Exec Dt:
04/13/2007
Assignee
1
3531 - 78 AVENUE S.E.
CALGARY, CANADA T2C 1J7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16515936
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP - B. SLANEY
COMMERCE COURT WEST
199 BAY STREET, SUITE 4000
TORONTO, M5L 1A9 CANADA
Assignment: 7
Reel/Frame:019594/0686   Pages: 4
Recorded: 07/06/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/29/2007
2
Exec Dt:
06/29/2007
3
Exec Dt:
06/29/2007
Assignee
1
3351 78 AVENUE SE
CALGARY, ALBERTA, CANADA T2C 1J7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11538277
Correspondence name and address
BLAKE, CASSELS & GRAYDON LLP
BOX 25, COMMERCE COURT WEST
199 BAY STREET, SUITE 2800
TORONTO, ON CANADA M5L 1A9
Assignment: 8
Reel/Frame:031607/0231   Pages: 3
Recorded: 11/15/2013
Attorney Dkt #:87171/00031
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/19/2013
2
Exec Dt:
08/19/2013
Assignee
1
3531 78 AVENUE SE
CALGARY, CANADA T2C 1J7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13795310
Correspondence name and address
KATHERINE DUTKA
BLAKE, CASSELS & GRAYDON LLP
199 BAY STREET, SUITE 4000
TORONTO, M5L 1A9 CANADA
Assignment: 9
Reel/Frame:034259/0594   Pages: 4
Recorded: 11/25/2014
Attorney Dkt #:87171/00043
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/05/2014
2
Exec Dt:
05/27/2014
3
Exec Dt:
05/30/2014
Assignee
1
3531 - 78 AVENUE SE
CALGARY, CANADA T2C 1J7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14552720
Correspondence name and address
KATHERINE DUTKA
BLAKE, CASSELS & GRAYDON LLP
199 BAY STREET, SUITE 4000
TORONTO, M5L 1A9 CANADA

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