RJ

Rodney C. Johnson

Overall (All Time): #1,676,793 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4708022 Fluid flow monitoring 1987-11-24
4542656 Fluid flow monitoring 1985-09-24
4384491 Analog ultrasonic flowmeter Alvin E. Brown 1983-05-24