SD

Santo A. DeFrancesco

US Union Switch & Signal: 1 patents #3 of 14Top 25%
📍 Baldwin, PA: #3 of 8 inventorsTop 40%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #81,547 of 185,788Top 45%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5664744 Railway highway crossing signal James P. Chew, Richard S. Jones 1997-09-09