Assignee
COLLIVA GIOVANNI
BR·2 granted patents·9 citations·filing 1986–1987
Technology mixB24B2
Top patents by PatentIndex Score
2 records- 0140US5003791APrinciples and appliances for the cutting of spherical-faceted gems and gems thus obtainedCOLLIVA GIOVANNI·Filed 1987·Granted Apr 2, 1991·7 cites·2 claims
- 0223US4686795APrinciples and appliances for cutting of spherical-faceted gems and gems thus obtainedCOLLIVA GIOVANNI·Filed 1986·Granted Aug 18, 1987·2 cites·1 claims
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