MK

Michael Kamphuis

CO Conn-Selmer: 2 patents #2 of 3Top 70%
📍 Three Rivers, MI: #302 of 578 inventorsTop 55%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,120,907 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7705228 Shoulder marching tuba Gregory Hilliard 2010-04-27
7504571 Shoulder marching tuba with view left Gregory Hilliard 2009-03-17