JB

James Bartkowiak

📍 York, PA: #6 of 42 inventorsTop 15%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #137,243 of 185,788Top 75%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5662387 Cutter head and method for mining hard rock — 1997-09-02