Assignee
ProGrade Digital Incorporated
US·3 granted patents·1 citations·filing 2018–2023
Top patents by PatentIndex Score
3 records- 0156US12389994B2Biodegradable memory-card holderProGrade Digital Incorporated·Filed 2023·Granted Aug 19, 2025·0 cites·20 claims
- 0253US12505064B2USB hub digital card reader with visible light source showing available-power indicatorProGrade Digital Incorporated·Filed 2023·Granted Dec 23, 2025·0 cites·19 claims
- 0352US10936831B2Digital card-reader and hubProGrade Digital Incorporated·Filed 2018·Granted Mar 2, 2021·1 cites·18 claims
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