RM

Robert Eric Maki

NA North America: 1 patents #1 of 11Top 10%
WM Worldwide Oilfield Machine: 1 patents #5 of 14Top 40%
📍 Oklahoma City, OK: #470 of 1,463 inventorsTop 35%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #2,075,268 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8490949 Valve stem assembly for rotary valve and method William W. Lanning 2013-07-23
6202668 Valve with fire-resistant seal — 2001-03-20