QC

Qianyan Cheng

📍 Sacramento, CA: #48 of 192 inventorsTop 25%
🗺 California: #26,301 of 67,585 inventorsTop 40%
Overall (2023): #291,579 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11591835 Narrow backset auto-latching mortise lock for sliding door — 2023-02-28