Assignee
C3 INC
US·5 granted patents·410 citations·filing 1995–1997
Top patents by PatentIndex Score
5 records- 0195US5882786AGemstones formed of silicon carbide with diamond coatingC3 INC·Filed 1996·Granted Mar 16, 1999·263 cites·21 claims
- 0279US5835205AOptical testing system for distinguishing a silicon carbide gemstone from a diamondC3 INC·Filed 1997·Granted Nov 10, 1998·61 cites·28 claims
- 0374US5955735AApparatus and method for positively identifying synthetic silicon carbide gemstonesC3 INC·Filed 1997·Granted Sep 21, 1999·40 cites·21 claims
- 0474US5723391ASilicon carbide gemstonesC3 INC·Filed 1996·Granted Mar 3, 1998·31 cites·17 claims
- 0556US5762896ASilicon carbide gemstonesC3 INC·Filed 1995·Granted Jun 9, 1998·15 cites·33 claims
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