RK

Robert C. Keyes

📍 Norman, OK: #215 of 626 inventorsTop 35%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #2,220,435 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6487901 Transmitter housing for probe in a directional underground drilling apparatus — 2002-12-03
6095259 Core sampler apparatus with specific attachment means — 2000-08-01