Individual holder
MADDEN DAVID H
US·3 granted patents·35 citations·filing 2012–2020
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0188US9432346B2Protocol for controlling access to encryption keysMADDEN DAVID H·Filed 2014·Granted Aug 30, 2016·18 cites·8 claims
- 0287US8862889B2Protocol for controlling access to encryption keysMADDEN DAVID H·Filed 2012·Granted Oct 14, 2014·16 cites·7 claims
- 0372US11189158B1System and method for improving hand sanitation in customer-facing environmentsMADDEN DAVID H·Filed 2020·Granted Nov 30, 2021·1 cites·7 claims
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