SW

Steve Wronski

SP Sperry: 1 patents #355 of 841Top 45%
Overall (All Time): #4,011,102 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4502823 Broken drill bit detector John E. Albright, Jeffrey J. Carlson 1985-03-05