SS

Steve D. Sandstrum

Overall (All Time): #3,793,183 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5295392 Pipe testing equipment Frederick W. Hensel, Mark F. Hensel, John Coleman, John H. Parnell, Stephen J. Boros 1994-03-22