MH

Melvin J. Hargraves

WS W-K-M Wellhead Systems: 1 patents #6 of 14Top 45%
📍 Lafayette, LA: #409 of 823 inventorsTop 50%
🗺 Louisiana: #5,044 of 10,876 inventorsTop 50%
Overall (All Time): #4,108,617 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4194529 Control valve having integral visual indicator for fluid safety systems Clifford M. Peters 1980-03-25