OB

Oliver Böttger

RK Roland Meinl Musikinstrumente Gmbh & Co. Kg: 1 patents #4 of 12Top 35%
Overall (All Time): #3,306,396 of 4,157,543Top 80%
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Patent #TitleCo-InventorsDate
7816596 Cajon with freely vibrating corners — 2010-10-19