Inventor · disambiguated record

Ki Up Cha

Also filed as: CHA KI UP

2 granted patents·4 citations·filing 2012–2019

40Inventor score

Technology areasF41A

Files withAGENCY DEFENSE DEV1 CHA KI UP1

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2 records

0141US8635797B2Rifling angle calculating methodCHA KI UP·Filed 2012·Granted Jan 28, 2014·4 cites·4 claims
0230US10823521B2Apparatus and method for designing rifling rate to increase lifespan of gun barrelAGENCY DEFENSE DEV·Filed 2019·Granted Nov 3, 2020·0 cites·9 claims

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