Individual holder
KART FREDERICK H
US·3 granted patents·4 citations·filing 2021–2024
Individually held — no corporate assignee on record.
Technology mixF41A3
Top patents by PatentIndex Score
3 records- 0183US11933565B2Firearm barrel and method of improving projectile weapon accuracy, velocity and durabilityKART FREDERICK H·Filed 2022·Granted Mar 19, 2024·2 cites·17 claims
- 0282US11493296B1Firearm barrel and method of improving projectile weapon accuracy, velocity and durabilityKART FREDERICK H·Filed 2021·Granted Nov 8, 2022·2 cites·19 claims
- 0365US12460886B2Reducing blow-by in firearmsKART FREDERICK H·Filed 2024·Granted Nov 4, 2025·0 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when KART FREDERICK H files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →