DH

Donald S. Hassell

📍 Holbrook, MA: #1 of 4 inventorsTop 25%
🗺 Massachusetts: #830 of 6,881 inventorsTop 15%
Overall (2003): #69,641 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D484542 Paperclip dispenser 2003-12-30
6604766 Fiberglass insulation installer 2003-08-12