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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
9617849
Issue Dt:
04/11/2017
Application #:
14704849
Filing Dt:
05/05/2015
Publication #:
20150233237
Pub Dt:
08/20/2015
Inventors:
Aaron W. Logan, David A. Switzer, Justin C. Logan, Jili Liu
Title:
FLUID PRESSURE PULSE GENERATOR WITH LOW AND HIGH FLOW MODES FOR WELLBORE TELEMETRY AND METHOD OF USING SAME
Assignment: 1
Reel/Frame:
035587/0332Recorded: 05/07/2015Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
LOGAN, AARON W.
Exec Dt:
11/06/2012
SWITZER, DAVID A.
Exec Dt:
11/06/2012
LOGAN, JUSTIN C.
Exec Dt:
11/06/2012
LIU, JILI
Exec Dt:
11/06/2012
Assignee:
EVOLUTION ENGINEERING INC.
BAY 2, 1480 28 STREET NE
CALGARY, CANADA T2A 7W6
Correspondent:
KEVIN S. COSTANZA
701 FIFTH AVENUE
SUITE 5400
SEATTLE, WA 98104
Assignment: 2
Reel/Frame:
035587/0364Recorded: 05/07/2015Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
LOGAN, AARON W.
Exec Dt:
08/12/2013
SWITZER, DAVID A.
Exec Dt:
08/12/2013
LOGAN, JUSTIN C.
Exec Dt:
08/12/2013
LIU, JILI
Exec Dt:
08/12/2013
Assignee:
EVOLUTION ENGINEERING INC.
BAY 2, 1480 28 STREET NE
CALGARY, CANADA T2A 7W6
Correspondent:
KEVIN S. COSTANZA
701 FIFTH AVENUE
SUITE 5400
SEATTLE, WA 98104

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