[Congratulation!] PATENT GRANTED

Posted: May 31, 2022 8:26:15 PM  

On May 23, 2022, a patent, ‘The writing instrument capable of distance measurement ’, was granted. Congratulations!

1. Dongkyoung Lee, Seungik Son, ”The writing instrument capable of distance measurement; 거리 측정이 가능한 필기구”,10-2402695, Korea, 2022.05.23