Johnson; Dennis E. J. Trademarks
MICRO-SHEAR
Filed: December 16, 1980
Automatic Backwash Filters for Minute Solids Removal for Filtration and Water Treatment Systems
Owned by: Johnson; Dennis E. J.
Serial Number: 73289980
FROTHULATOR
Filed: December 16, 1980
Injectors for Mass Transfer of Chemicals or Gases into a Moving Fluid Stream, for Filtration and Water Treatment Systems
Owned by: Johnson; Dennis E. J.
Serial Number: 73290055
SHEAR-MIX
Filed: August 31, 1981
In-Line Eductor Injectors for Mass Transfer of Chemicals or Gases into a Moving Fluid Stream, for Filtration and Water Treatment…
Owned by: Johnson; Dennis E. J.
Serial Number: 73326144
