CG

Charles N. Grichar

VI Varco I/P: 2 patents #8 of 44Top 20%
TI Tuboscope I/P: 1 patents #1 of 5Top 20%
📍 Houston, TX: #87 of 1,307 inventorsTop 7%
🗺 Texas: #587 of 8,731 inventorsTop 7%
Overall (2004): #31,197 of 270,089Top 15%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6769550 Screen assemblies for shale shakers Thomas C. Adams, Haynes Smith, James Adams, Kerry Ward, George Alexander Burnett +2 more 2004-08-03
6736270 Glued screens for shale shakers Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David W. Largent, David Schulte +3 more 2004-05-18
6715611 Vibratory separator Mark Crabbe, David Schulte 2004-04-06