JC

Jonathan Coopersmith

Overall (All Time): #2,282,325 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5567903 Transducer assembly for a stringed musical instrument Nathaniel Weiss, Henry Madden 1996-10-22
5270475 Electronic music system Nathaniel Weiss, Jonathan Grayson 1993-12-14