John Wellman

📍 Hampton, MN: #4 of 12 inventorsTop 35%

🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%

Overall (All Time): #2,004,388 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
9315201	Hopper gate opener	—	2016-04-19
7806064	Friction reducing pollution control system for marine vehicles	—	2010-10-05