RK

Robert Krah

📍 Tulsa, OK: #626 of 2,344 inventorsTop 30%
🗺 Oklahoma: #3,359 of 12,736 inventorsTop 30%
Overall (All Time): #1,650,739 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5408185 Apparatus for automated polyelectrolyte measurement 1995-04-18
4970859 Exhaust gas deflector for truck exhaust stacks Clyde I. Yates 1990-11-20
4903484 Exhaust dissipator and deflector Clyde I. Yates 1990-02-27