MS

Mark W. Schafer

Overall (All Time): #2,083,835 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8093479 Percussion instrument carrier system Steven P. Crouch 2012-01-10
6441287 Snare drum mechanism Steve Crouch, Roy Murray 2002-08-27