Wallace G. Hanson

📍 Dodge Center, MN: #11 of 30 inventorsTop 40%

🗺 Minnesota: #15,886 of 52,454 inventorsTop 35%

Overall (All Time): #1,303,852 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4718249	Apparatus for heating and cooling	—	1988-01-12
4495938	Solar energy collector	—	1985-01-29
4444176	Solar energy collector	—	1984-04-24
4297988	Solar energy collector	—	1981-11-03