DH

Duncan Alexander Harper

SL Swellfix Uk Limited: 1 patents #6 of 18Top 35%
📍 Alford, GB: #2 of 3 inventorsTop 70%
Overall (All Time): #2,432,930 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12352139 Screen apparatus and method Eilidh Jean MCKAY 2025-07-08