NB

Nathan Bjerk

Caterpillar: 1 patents #4,437 of 8,398Top 55%
Overall (All Time): #3,255,684 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7975601 Engine cylinder liner Craig P. Hittle, Michael P. Harmon 2011-07-12