DB

David A. Brooks

SE Spooner Est: 2 patents #1 of 1Top 100%
📍 Holden, MA: #2 of 11 inventorsTop 20%
🗺 Massachusetts: #202 of 2,831 inventorsTop 8%
Overall (1989): #29,709 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D302058 Bag for a swimming pool cleaning apparatus — 1989-07-04
4839063 Cleaning of a body of liquid — 1989-06-13