JS

James J. Szalankiewicz

📍 Indiana, PA: #1 of 10 inventorsTop 10%
🗺 Pennsylvania: #389 of 4,367 inventorsTop 9%
Overall (1997): #36,639 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5645158 Extensible continuous haulage system Alan R. Polka, Scott Walter 1997-07-08
5590757 Extensible continuous haulage system Scott Walter, Alan R. Polka 1997-01-07