PS

Paul F. Stephan

📍 Rockton, IL: #1 of 6 inventorsTop 20%
🗺 Illinois: #1,118 of 4,656 inventorsTop 25%
Overall (1997): #94,987 of 185,788Top 55%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5690710 Self-cleaning filter — 1997-11-25