JH

Johannes J. Houtkamp

ND N.V. Optische Industrie "De Oude Delft": 1 patents #1 of 5Top 20%
📍 Delft, NL: #3 of 15 inventorsTop 20%
Overall (1982): #52,758 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4341955 Image intensifier of the proximity-focus type Hendrik Mulder 1982-07-27