GR

Griffith T. Roberts

ND National Research Development: 1 patents #307 of 1,071Top 30%
📍 Llantrisant, GB: #7 of 24 inventorsTop 30%
Overall (All Time): #2,354,495 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4535755 Solar energy collector 1985-08-20
4409840 Vibrating vane pressure gauge 1983-10-18