TC

Tsin-Cheng Chang

📍 San Ramon, CA: #1,502 of 2,140 inventorsTop 75%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #2,990,096 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9280912 Nose blow training apparatus Michael Glass, Jonathan Thorn 2016-03-08