Durk Dijkstra

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Zoetermeer, NL

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Patents Grantslast 30 patents

Information Patent Grant
Device for the inspection of welds
- Patent number 4,255,972
- Issue date Mar 17, 1981
- Rontgen Technische Dienst B.V.
- Durk Dijkstra
- G01 - MEASURING TESTING
Information Patent Grant
Electrically controllable carrying-arm arrangement
- Patent number 4,150,407
- Issue date Apr 17, 1979
- U.S. Philips Corporation
- Durk Dijkstra
- G11 - INFORMATION STORAGE