RH

Robert W. Hankes

CC Crane & Co.: 2 patents #46 of 188Top 25%
Overall (All Time): #2,349,539 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4608162 Rotating biological contactor apparatus Lloyd H. Parker 1986-08-26
4444658 Rotating biological contactor apparatus Lloyd H. Parker 1984-04-24