HH

Hannele Helkama-Ragard

OA Oy Mk-Tuote Ab: 1 patents #3 of 4Top 75%
📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
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1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D260423 Children's chamber-pot — 1981-08-25