Donald S. Hassell

📍 Holbrook, MA: #5 of 39 inventorsTop 15%

🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%

Overall (All Time): #1,042,505 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
D484542	Paperclip dispenser	—	2003-12-30
6604766	Fiberglass insulation installer	—	2003-08-12
6338368	Electric golf car battery refill system	—	2002-01-15
6228525	Battery cell plug	—	2001-05-08
4334530	Indicia-bearing adhesive bandages	—	1982-06-15