JB

J. van den Berg

BD B.V. Optische Industrie "De Oude Delft": 1 patents #13 of 31Top 45%
📍 Pijnacker, NL: #49 of 88 inventorsTop 60%
Overall (All Time): #3,804,920 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5341219 Device and method for controlling the contrast in an image observation system provided with an MCP image intensifier Johannes B. J. Schelen 1994-08-23