DS

David J. Szpanka

📍 McKeesport, PA: #111 of 192 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,469,080 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6687559 Apparatus and method for a vertically integrated construction business Farro F. Radjy, Timothy S. Roth 2004-02-03