DS

David Alexander Shaw

EN Enersul: 2 patents #1 of 4Top 25%
📍 Calgary, CA: #77 of 622 inventorsTop 15%
Overall (2021): #167,968 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11148688 Unattended railcar motion control system Mark Charles Engelland, Trevor Michael Greer 2021-10-19
11137348 Method and apparatus for sulfur fire-watch and detection Carlito Rolland deSouza, Trevor Michael Greer 2021-10-05