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Per Angman — 5 Patents in 2019

KOKobold: 4 patents #1 of 4Top 25%

Calgary, CA: #18 of 776 inventorsTop 3%

Overall (2019): #31,494 of 560,194Top 6%

5 Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
10472919	Tension release packer for a bottomhole assembly	Mark Andreychuk	2019-11-12
10472928	Downhole sleeve assembly and sleeve actuator therefor	Mark Andreychuk, Allan Petrella, David C. Parks	2019-11-12
10309164	Mixed form tubular centralizers and method of use	—	2019-06-04
10287866	Methods and electrically-actuated apparatus for wellbore operations	Mark Andreychuk, Allan Petrella	2019-05-14
10267140	Extendable/collapsible apparatus for fracture imaging and use of same	Mark Andreychuk, Allan Petrella	2019-04-23

Per Angman — 5 Patents in 2019

Issued Patents 2019

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