Assignee
HAFEN JOHN
US·6 granted patents·2 pending applications·7 citations·filing 2017–2025
Technology mixF41A8
Top patents by PatentIndex Score
8 records- 0184US2026043628A1Smart-gun artificial intelligence systems and methodsHAFEN JOHN·Filed 2025·Application pending·0 cites
- 0273US10260830B2Smart-gun systems and methodsHAFEN JOHN·Filed 2017·Granted Apr 16, 2019·5 cites·20 claims
- 0361US10976122B2Smart-gun enablement device systems and methodsHAFEN JOHN·Filed 2019·Granted Apr 13, 2021·2 cites·20 claims
- 0458US12467704B2Smart-gun artificial intelligence systems and methodsHAFEN JOHN·Filed 2024·Granted Nov 11, 2025·0 cites·17 claims
- 0556US2021222979A1Smart-gun enablement device systems and methodsHAFEN JOHN·Filed 2021·Application pending·0 cites
- 0655US11441861B2Smart-gun locking and unlocking systems and methodsHAFEN JOHN·Filed 2020·Granted Sep 13, 2022·0 cites·17 claims
- 0744US10712110B2Smart-gun locking and unlocking systems and methodsHAFEN JOHN·Filed 2019·Granted Jul 14, 2020·0 cites·17 claims
- 0844US10634443B2Smart-gun systems and methodsHAFEN JOHN·Filed 2019·Granted Apr 28, 2020·0 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →