JD

Johan H. M. Deltrap

ND N.V. Optische Industrie "De Oude Delft": 1 patents #10 of 28Top 40%
📍 Oostvoorne, NL: #13 of 18 inventorsTop 75%
Overall (All Time): #4,123,291 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4232222 Binocular night glass — 1980-11-04