KZ

Klaas Zwart

PL Petroline Wireline Services Limited: 1 patents #1 of 1Top 100%
Overall (1989): #86,521 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4883121 Downhole lock assembly — 1989-11-28