BS

Betty Sheng

📍 Cerritos, CA: #221 of 505 inventorsTop 45%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,252,506 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5947715 Safety lighter Andy Sheng 1999-09-07
5836755 Lockable lighter Andy Sheng 1998-11-17