John O. Wirtz

WC Wirtz Manufacturing Company: 2 patents #1 of 1Top 100%

📍 Port Huron, MI: #1 of 7 inventorsTop 15%

🗺 Michigan: #358 of 4,492 inventorsTop 8%

Overall (1997): #34,747 of 185,788Top 20%

Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5611128	Battery grids, method and apparatus	—	1997-03-18
5604058	Battery grids, method and apparatus	—	1997-02-18