Assignee
WETENSCHAPPELIJK EN TECH ONDER
BE·3 granted patents·114 citations·filing 1981–2005
Top patents by PatentIndex Score
3 records- 0191US7277161B2Method for discerning colorless and near colorless diamonds and arrangement for carrying out this methodWETENSCHAPPELIJK EN TECH ONDER·Filed 2005·Granted Oct 2, 2007·61 cites·15 claims
- 0269US5816896AMethod and device for polishing gemstonesWETENSCHAPPELIJK EN TECH ONDER·Filed 1995·Granted Oct 6, 1998·43 cites·26 claims
- 0347US4425900AMethod and apparatus for bruting precious or semi-precious stonesWETENSCHAPPELIJK EN TECH ONDER·Filed 1981·Granted Jan 17, 1984·10 cites·8 claims
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