RH

Robert Howitt

UN Unknown: 2 patents #76 of 2,925Top 3%
📍 Leominster, MA: #1 of 24 inventorsTop 5%
🗺 Massachusetts: #830 of 6,881 inventorsTop 15%
Overall (2003): #45,712 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6572067 Adjustable picture hanging hook Peter Kamenstein, Joseph Opramolla 2003-06-03
6527244 Adjustable picture hanging hook Peter Kamenstein, Joseph Opramolla 2003-03-04