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Frans J. M. Swinkels

ABAdams Paukenfabriek B.V.: 1 patents #1 of 1Top 100%

Ittervoort, NL: #2 of 2 inventorsTop 100%

Overall (2017): #421,507 of 506,227Top 85%

1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D803934	Frame for mallet instruments	—	2017-11-28