RG

Robert Graf

📍 Calgary, CA: #169 of 618 inventorsTop 30%
Overall (2018): #260,826 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10060243 Multistage fracturing system with electronic counting system Robert Steve Smolka 2018-08-28