David A. Underthun

📍 Champlin, MN: #157 of 241 inventorsTop 70%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,565,152 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6487779	Rechargeable fillet knife	—	2002-12-03