CC

Chia-Kan Chang

AC Asia Optical Co.: 2 patents #3 of 39Top 8%
SC Sintai Optical (Shenzhen) Co.: 2 patents #3 of 39Top 8%
SS Sig Sauer: 1 patents #11 of 39Top 30%
Overall (2020): #96,279 of 565,922Top 20%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10809441 Optical indicating structure 2020-10-20
10767962 Digital turret ballistic aiming system Andrew W. York, Gregory S. Smith, Richard Bradley Brumfield, Joseph Fruechtel 2020-09-08
10578400 Sight Sung-Po Cheng, Chin-Teng Lin, Shang-Yung Liang 2020-03-03