Assignee
GONCALVES HELDER DA COSTA
PT·2 granted patents·11 citations·filing 2007–2014
Top patents by PatentIndex Score
2 records- 0172US8431077B2Hydrogen peroxide sterilization process and deviceGONCALVES HELDER DA COSTA·Filed 2007·Granted Apr 30, 2013·11 cites·4 claims
- 0238US10576178B2Sterilization device using hydrogen peroxide and ozone vaporized and combined through multiple capillary tubesGONCALVES HELDER DA COSTA·Filed 2014·Granted Mar 3, 2020·0 cites·16 claims
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