Inventor · disambiguated record
Jan Marius Van Dokkum
Also filed as: VAN DOKKUM JAN · VAN DOKKUM JAN MARIUS
2 granted patents·105 citations·filing 1983–2009
64Inventor score
Top patents by PatentIndex Score
2 records- 0188US4557142AApparatus and method for real-time measurement of drilling fluid propertiesHUTCHINSON HAYES INTERNATIONAL·Filed 1983·Granted Dec 10, 1985·100 cites·40 claims
- 0255US8673114B2Method for producing a watermark element, watermark element, and also applicationsKRUL JOHANNES·Filed 2009·Granted Mar 18, 2014·5 cites·12 claims
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