GS

Graham Styler

DU Dreco Energy Services Ulc: 2 patents #1 of 11Top 10%
📍 Calgary, CA: #101 of 776 inventorsTop 15%
Overall (2019): #170,276 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10323482 Flow-actuated pressure equalization valve and method of use Lewis Facca 2019-06-18
10280707 System for resealing borehole access Gavin MacMillan 2019-05-07