JH

Johannes J. Houtkamp

BD B.V. Optische Industrie "De Oude Delft": 1 patents #2 of 6Top 35%
📍 Delft, NL: #2 of 20 inventorsTop 10%
Overall (1989): #94,892 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855586 X-ray detector tube with sidewall-supporting rear wall — 1989-08-08