Assignee
MATTHEWS MARION
US·2 granted patents·20 citations·filing 1994–1996
Technology mixG01N2
Top patents by PatentIndex Score
2 records- 0142US5559436AMethod and apparatus for distinguishing synthetic diamonds from natural diamondsMATTHEWS MARION·Filed 1994·Granted Sep 24, 1996·16 cites·13 claims
- 0225US6281680B1Method and apparatus for distinguishing synthetic diamonds from natural diamondsMATTHEWS MARION·Filed 1996·Granted Aug 28, 2001·4 cites·18 claims
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