DS

Donald R. Smith

HS Halliburton Energy Services: 2 patents #57 of 306Top 20%
📍 Duncan, OK: #12 of 70 inventorsTop 20%
🗺 Oklahoma: #66 of 787 inventorsTop 9%
Overall (2004): #66,818 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6695050 Expandable retaining shoe Donald W. Winslow, Lloyd Crockford 2004-02-24
6695051 Expandable retaining shoe Donald W. Winslow, Lloyd Crockford 2004-02-24