`
`In re Patentof:
`US. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`C&M Oilfield Rentals, LLC D/B/A C-MorEnergy Services
`10,976,016
`April 13, 2021
`17/016,083
`Sept. 9, 2020
`ELEVATED STRUCTURE-MOUNTED
`LIGHTING SYSTEM
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
`
`PETITIONER'S POWER OF ATTORNEYIN POST GRANT PROCEEDINGS BEFORE
`THE PATENT TRIAL AND APPEAL BOARD
`
`Petitioner, Ensign US Southern Drilling LLC, hereby appoints the following practitioners
`
`as its attorneys to transact all business in the United States Patent & Trademark Office associated
`
`with any inter partes review, post grant review,or other review proceedings before the Patent Trial
`
`and Appeal Board of the above-captioned patent:
`
`Gregory L. Porter, Reg. No. 40,131 (Lead Counsel)
`
`Daniel Shanley, Reg. No. 54,863
`
`and all practitioners associated with PTO Customer Number 23444. I havethe authority to execute
`
`this document on behalf of Ensign US Southern Drilling LLC.
`
`EnsignUS Sou yf DrillingLLC
`; MA
`By:
`Name: iaK.Louie
`
`Title: General Counsel and Corporate Secretary
`
`Date: March 30, 2023
`
`