Charles F. Schwall

📍 Algonac, MI: #2 of 5 inventorsTop 40%

🗺 Michigan: #1,023 of 4,492 inventorsTop 25%

Overall (1997): #181,155 of 185,788Top 100%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5645128	Fire safety grease seal	—	1997-07-08