TS

Thomas M Schwarz

DW Drum Workshop: 1 patents #5 of 7Top 75%
Overall (2017): #217,662 of 506,227Top 45%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9570053 Adjustable cajón instrument Andrzej Krol, Victor Filonovich, Sergio G. Bonsignore 2017-02-14