DB

David P. Bercik

📍 Jefferson Hills, PA: #75 of 151 inventorsTop 50%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,895,277 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4898532 Retractable lighter apparatus 1990-02-06