OK

Oliver M. Knutson

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #3,970,125 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4649674 Drain hole seal with bottom bleeder Craig S. Gaul, Donald C. Watson 1987-03-17