AH

Andrea Hartfelder

📍 Ironwood, MI: #56 of 130 inventorsTop 45%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,129,657 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8857730 Sump sprinkler control system David Hartfelder 2014-10-14