CH

Ching-Chi Hung

MC Man Kung Enterprise Co.: 3 patents #1 of 2Top 50%
Overall (2019): #95,425 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10274280 Trigger labor-saving structure of crossbow Fu-Hui Chu 2019-04-30
10274281 Trigger labor-saving structure of crossbow Fu-Hui Chu 2019-04-30
10209027 Retention structure of crossbow Fu-Hui Chu 2019-02-19