DH

Dennis Holland

📍 Ironwood, MI: #29 of 130 inventorsTop 25%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,630,619 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6135921 Long jump training apparatus Neil LaBelle 2000-10-24
4371352 Water ski tow handle 1983-02-01
D264489 Water ski tow handle 1982-05-18