JF

Jack Fridthjof

Overall (All Time): #2,113,308 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8040248 Device for detection of surface condition data 2011-10-18
7652584 Device for detection of surface condition data 2010-01-26