HA

Harold Frederick Adshead

📍 Hanley, GB: #9 of 28 inventorsTop 35%
Overall (All Time): #2,216,075 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6419045 Ladders 2002-07-16
6419047 Portable ladder having resistance to slippage 2002-07-16