HC

Han-Chih Chang

UN Unknown: 1 patents #342 of 3,065Top 15%
Overall (2023): #432,209 of 537,848Top 85%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11697993 Rotary engine Shih-Ho Chang 2023-07-11