MH

Martin D. Hageman

📍 Freedom, NY: #1 of 3 inventorsTop 35%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #3,881,817 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5035678 Energy-storing bicycle sprocket drive system — 1991-07-30