GL&V/DORR-OLIVER INC. Trademarks
HYDRO-TREATOR
Filed: November 22, 1941
Apparatus for the Treatment of Solids Suspended in Liquids and More Particularly for Agitating and Clarifying Apparatus
Owned by: GL&V/DORR-OLIVER INC.
Serial Number: 71448821
DENSLUDGE
Filed: May 18, 1955
EQUIPMENT FOR THE TREATMENT OF SOLIDS SETTLED FROM LIQUIDS
Owned by: GL&V/DORR-OLIVER INC.
Serial Number: 71687773
SPIRACLEAR
Clarifiers for municipal waste water processing
Owned by: GL&V/DORR-OLIVER INC.
Serial Number: 76271194
SPIRACLEAR
Clarifiers for industrial waste water processing
Owned by: GL&V/DORR-OLIVER INC.
Serial Number: 76271195
