HC

Harry B. Curlett

📍 Calgary, CA: #4 of 87 inventorsTop 5%
Overall (1989): #26,708 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4836305 Drill pipes and casings utilizing multi-conduit tubulars 1989-06-06
4799544 Drill pipes and casings utilizing multi-conduit tubulars 1989-01-24