RG

Richard Grifno

DF Delta Screen & Filtration: 2 patents #1 of 6Top 20%
WE Weatherford/Lamb: 1 patents #476 of 852Top 60%
📍 Houston, TX: #6,659 of 21,073 inventorsTop 35%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,475,026 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9919354 Wire screen manufacturing system and method Steven Mark Everritt, Carl Cooper, Art Parmely 2018-03-20
9757813 Welding pressure control apparatus and method Steven Mark Everritt, Carl Cooper, Art Parmely 2017-09-12
7102745 Automated optical inspection of wire-wrapped well screens William T. Rouse, Arthur T. Parmely 2006-09-05