DS

Dale R. Sprik

📍 Grand Rapids, MI: #715 of 1,824 inventorsTop 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,204,953 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6601536 Livestock feeder — 2003-08-05
6205951 Livestock feeder — 2001-03-27