MJ

Manfred Jansch

WG Weatherford Oil Tool Gmbh: 1 patents #1 of 1Top 100%
📍 Garbsen, DE: #3 of 13 inventorsTop 25%
Overall (1989): #20,854 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4876884 Apparatus for testing the gas-tightness of joints between hollow bodies — 1989-10-31
4838073 Method and apparatus for detecting leaks — 1989-06-13