DH

Donald W. Hartford

📍 Sanford, ME: #29 of 72 inventorsTop 45%
🗺 Maine: #1,571 of 4,281 inventorsTop 40%
Overall (All Time): #2,288,411 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5472401 Ramped, horizontal, on-bench adjustable stretch bench for relieving a user's back pain Mark Rouillard 1995-12-05
D360663 Stretching bench Mark Rouillard 1995-07-25