WT

Willem Leonard Frits Treffers

📍 Wijchen, NL: #49 of 94 inventorsTop 55%
Overall (All Time): #2,426,943 of 4,157,543Top 60%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12336638 Adaptable mattress — 2025-06-24