HP

Howard B. Poll

📍 Holland, MI: #577 of 1,299 inventorsTop 45%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,302,961 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5224554 Plant transplanter 1993-07-06
5159887 Plant transplanter 1992-11-03