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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
09/04/2018
Application #:
15879778
Filing Dt:
01/25/2018
Publication #:
Pub Dt:
06/28/2018
Inventors:
David A. SWITZER, Jili LIU, Aaron W. LOGAN, Mingdong XU
Title:
DOWNHOLE ELECTROMAGNETIC AND MUD PULSE TELEMETRY APPARATUS
Assignment: 1
Reel/Frame:
045149/0735Recorded: 01/25/2018Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
02/22/2013
Exec Dt:
02/22/2013
Exec Dt:
02/22/2013
Exec Dt:
02/22/2013
Assignee:
#2, 1460 28TH STREET NE
CALGARY, ALBERTA, CANADA T2A 7W6
Correspondent:
OYEN WIGGS GREEN & MUTALA LLP
480 - THE STATION, 601 W. CORDOVA ST.
VANCOUVER, V6B 1G1 CANADA

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