RG

Roy E. Grubbs

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #3,949,308 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4734998 Method and apparatus for dehydrating toxic chemical sludge William Lee 1988-04-05