GB

Godefridus J. Brakenhoff

SW Stichting Voor De Technische Wetenschappen: 1 patents #1 of 4Top 25%
Overall (1989): #26,988 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4880294 Continuously variable microdiaphragm 1989-11-14
4796974 Device for focusing electromagnetic waves or sound 1989-01-10