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Steve D. Sandstrum

📍 Kingwood, TX: #454 of 726 inventorsTop 65%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
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