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Patent Assignment Assignee Details
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Assignee Name : STEP ENERGY SERVICES LTD.
Total Assignments: 9
Assignment: 1
Reel/Frame:036096/0911   Pages: 3
Recorded: 07/15/2015
Attorney Dkt #:LAMA142732
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GASFRAC ENERGY SERVICES INC.
Exec Dt:
04/02/2015
Assignee
1
STEP ENERGY SERVICES LTD.
300, 505 3RD STREET
CALGARY, CANADA T2P 3E6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9096788
US20130338048
13925739
Correspondence name and address
RYAN E. DODGE, JR., ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1201 THIRD AVE, SUITE 3600
SEATTLE, WA 98101
Assignment: 2
Reel/Frame:036097/0290   Pages: 3
Recorded: 07/15/2015
Attorney Dkt #:LAMA139479
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GASFRAC ENERGY SERVICES LTD.
Exec Dt:
04/02/2015
Assignee
1
STEP ENERGY SERVICES LTD.
300, 505 3RD STREET
CALGARY, CANADA T2P 3E6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9103190
US20130299159
13471279
Correspondence name and address
RYAN E. DODGE, JR., ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1201 THIRD AVE, SUITE 3600
SEATTLE, WA 98101
Assignment: 3
Reel/Frame:036529/0742   Pages: 3
Recorded: 09/10/2015
Attorney Dkt #:LAMA141264
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GASFRAC ENERGY SERVICES INC.
Exec Dt:
04/02/2015
Assignee
1
STEP ENERGY SERVICES LTD.
300, 505 3RD STREET
CALGARY, CANADA T2P 3E6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9683432
US20130299167
13894278
Correspondence name and address
RYAN E. DODGE, JR., ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1201 THIRD AVE, SUITE 3600
SEATTLE, WA 98101
Assignment: 4
Reel/Frame:036529/0835   Pages: 3
Recorded: 09/10/2015
Attorney Dkt #:LAMA140940
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GASFRAC ENERGY SERVICES INC.
Exec Dt:
04/02/2015
Assignee
1
STEP ENERGY SERVICES LTD.
300, 505 3RD STREET
CALGARY, CANADA T2P 3E6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9664025
US20130168086
13822966
Correspondence name and address
RYAN E. DODGE, JR., ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1201 THIRD AVE, SUITE 3600
SEATTLE, WA 98101
Assignment: 5
Reel/Frame:036530/0158   Pages: 3
Recorded: 09/10/2015
Attorney Dkt #:LAMA143509
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GASFRAC ENERGY SERVICES INC.
Exec Dt:
04/02/2015
Assignee
1
STEP ENERGY SERVICES LTD.
300, 505 3RD STREET
CALGARY, CANADA T2P 3E6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9631471
US20150157995
14103622
Correspondence name and address
RYAN E. DODGE, JR., ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1201 THIRD AVE, SUITE 3600
SEATTLE, WA 98101
Assignment: 6
Reel/Frame:036901/0049   Pages: 3
Recorded: 10/28/2015
Attorney Dkt #:LAMA143631
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GASFRAC ENERGY SERVICES INC.
Exec Dt:
04/02/2015
Assignee
1
STEP ENERGY SERVICES LTD.
300, 505 3RD STREET
CALGARY, CANADA T2P 3E6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140124208
14152857
Correspondence name and address
RYAN E. DODGE, JR., ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1201 THIRD AVE, SUITE 3600
SEATTLE, WA 98101
Assignment: 7
Reel/Frame:043492/0100   Pages: 4
Recorded: 09/05/2017
Attorney Dkt #:72153-62
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MALEY, DARREN MICHAEL
Exec Dt:
05/30/2017
2
MANIPON, MARK ERROL ABESAMIS
Exec Dt:
08/14/2017
Assignee
1
STEP ENERGY SERVICES LTD.
300, 505 - 3RD STREET SW
CALGARY, CANADA T2P 3E6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10190040
US20170283690
15470445
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 8
Reel/Frame:043076/0967   Pages: 7
Recorded: 07/24/2017
Attorney Dkt #:BJVE157811
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCMURRAY, ANDREW JAMES
Exec Dt:
05/31/2017
2
MALEY, DARREN MICHAEL
Exec Dt:
06/01/2017
3
BURVILL, MICHAEL EDWARD
Exec Dt:
06/07/2017
4
EPP, BAILEY TODD
Exec Dt:
05/30/2017
Assignee
1
STEP ENERGY SERVICES LTD.
300, 505-3RD STREET SW
CALGARY, CANADA T2P 3E6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10400577
US20170211373
15411944
Correspondence name and address
RYAN E. DODGE, JR., ESQ.
CHRISTENSEN O'CONNOR JOHNSON KINDNESS
1201 THIRD AVE, SUITE 3600
SEATTLE, WA 98101
Assignment: 9
Reel/Frame:048885/0856   Pages: 6
Recorded: 04/15/2019
Attorney Dkt #:72153-81
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEEN, MATT
Exec Dt:
09/04/2018
2
CAIRNS, JOHN
Exec Dt:
09/04/2018
3
EPP, BAILEY
Exec Dt:
09/04/2018
Assignee
1
STEP ENERGY SERVICES LTD.
1200, 205-5TH AVENUE SW
CALGARY, CANADA T2P 2V7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10920506
US20190316431
16383194
Correspondence name and address
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA

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