HM

Hugh Griffith Madson

📍 Lake Elmo, MN: #201 of 301 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,614,456 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6059339 Cantileverly extendible platform — 2000-05-09