FS

Frans J. M. Swinkels

AB Adams Paukenfabriek B.V.: 1 patents #2 of 4Top 50%
📍 Ittervoort, NL: #8 of 11 inventorsTop 75%
Overall (All Time): #2,977,141 of 4,157,543Top 75%
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Patent #TitleCo-InventorsDate
D803934 Frame for mallet instruments — 2017-11-28