FP

Francis X. Petrus

📍 Langhorne, PA: #3 of 18 inventorsTop 20%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #152,017 of 185,788Top 85%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5639233 Kiln construction and method of firing the same Ralph E. Ruark 1997-06-17