LS

Lennard Sihlis

📍 Calgary, CA: #92 of 737 inventorsTop 15%
Overall (2020): #148,422 of 565,922Top 30%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10571027 Metal ring seal and improved profile selective system for downhole tools John Andrew Markiw, Chayne Roy Bradley 2020-02-25
10563480 Profile selective system for downhole tools Sean Campbell, Darryl Firmaniuk 2020-02-18