MM

Michael Mattsson

SA Santrade: 1 patents #1 of 26Top 4%
📍 Sandviken, SE: #3 of 24 inventorsTop 15%
Overall (1989): #76,074 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832136 Drill bit and roller cutter for said drill bit Lars-Erik Tunell 1989-05-23