FH

Frank Harold Hollister

NC National Coupling Company: 2 patents #2 of 6Top 35%
📍 Sugar Land, TX: #48 of 342 inventorsTop 15%
🗺 Texas: #2,895 of 16,780 inventorsTop 20%
Overall (2021): #162,089 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11105435 Subsea bop control system with dual-action check valve Robert E. Smith, III, Timothy Goggans 2021-08-31
11085545 Pilot-actuated spool valve having rod retainer Max Stetzer, Robert E. Smith, III, Chris Roy, Stephen L. Wells 2021-08-10