DH

Delbert Hartman

📍 McGaheysville, VA: #1 of 9 inventorsTop 15%
🗺 Virginia: #12,642 of 34,511 inventorsTop 40%
Overall (All Time): #2,173,624 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7118341 Self adjusting sail vertical shaft windmill — 2006-10-10
5588933 Infinite ratios cant wheel transmission — 1996-12-31