GA

Graham A. W. Armstrong

📍 Blackwood Road, AU: #7 of 14 inventorsTop 50%
Overall (All Time): #3,879,027 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5025527 Escalator cleaning device — 1991-06-25