CG

Charles N. Grichar

VI Varco I/P: 3 patents #6 of 36Top 20%
📍 Houston, TX: #63 of 1,302 inventorsTop 5%
🗺 Texas: #563 of 8,709 inventorsTop 7%
Overall (2003): #32,766 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6669985 Methods for making glued shale shaker screens Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David W. Largent, David Schulte +3 more 2003-12-30
6607080 Screen assembly for vibratory separators Joseph C. Winkler, Thomas C. Adams, David Schulte, Kenneth W. Seyffert, David W. Largent +1 more 2003-08-19
6565698 Method for making vibratory separator screens Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, David Schulte, Vincent D. Leone +2 more 2003-05-20