RC

Ralph W. Cooper

📍 Sanford, MI: #63 of 116 inventorsTop 55%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,137,882 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7574896 Leak detection and control — 2009-08-18
7174771 Leak detection system — 2007-02-13