DR

Douglas Samuel Roxburgh

📍 Gipping, GB: #12 of 17 inventorsTop 75%
Overall (All Time): #2,439,333 of 4,157,543Top 60%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1085048 Keypad for loudspeaker — 2025-07-22