WS

Walter Sibbertsen

Overall (1989): #13,387 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4867380 Pistol grip type compressed air blower 1989-09-19
4818178 Process for cooling the blades of thermal turbomachines 1989-04-04