RL

R. Leon Leonard

📍 Sacramento, CA: #518 of 1,687 inventorsTop 35%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,221,934 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6176187 Sludge handling and feeding system Earl F. Bouse, Jr., Anne T. McQueen, Harley O. Biggs, Jr. 2001-01-23
5586510 Method and system for controlling pollutant emissions in combustion operations Earl F. Bouse, Jr., Anne T. McQueen 1996-12-24