MH

Marty D. Helton

📍 Iron River, MI: #182 of 361 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #4,011,367 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4503782 Wood stove grate kit with low wood signal — 1985-03-12