Inventor · disambiguated record
David Niel Johnson
Also filed as: JOHNSON DAVID NIEL
3 granted patents·6 citations·filing 2020–2024
61Inventor score
Files withHALLMARK CARDS3
Top patents by PatentIndex Score
3 records- 0195US11263503B2Signature-based unique identifierHALLMARK CARDS·Filed 2020·Granted Mar 1, 2022·4 cites·20 claims
- 0291US11900194B2Signature-based unique identifierHALLMARK CARDS·Filed 2022·Granted Feb 13, 2024·2 cites·20 claims
- 0380US12288113B2Signature-based unique identifierHALLMARK CARDS·Filed 2024·Granted Apr 29, 2025·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →