HH

Harold Henderson

📍 Marquette, MI: #100 of 177 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,875,225 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5011169 Human power shopping cart propulsion device Larry Henderson 1991-04-30