DH

Dennis C. Hatfield

📍 Amarillo, TX: #3 of 8 inventorsTop 40%
🗺 Texas: #2,374 of 8,731 inventorsTop 30%
Overall (2004): #234,960 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6742538 Method and apparatus for orbital and seal welded relief device on a compressed gas cylinder Steven K. Aderholt, Franklin B. Piehl 2004-06-01