GM

Grant Madison

CH Chart: 1 patents #3 of 7Top 45%
📍 Owatonna, MN: #2 of 10 inventorsTop 20%
🗺 Minnesota: #1,731 of 5,562 inventorsTop 35%
Overall (2025): #379,483 of 469,880Top 85%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12196478 Vaporizer with defrosting function Paul Drube 2025-01-14