Environmental control apparatus Trademarks Filed in November 14, 1957
DORR OLIVER
Filed: November 14, 1957
FURNACES OR REACTORS FOR THE TREATMENT OF SOLIDS SUSPENDED IN GASES
Owned by: DORR-OLIVER INCORPORATED
Serial Number: 72040669
DORR-OLIVER
Filed: November 14, 1957
FILTERS
Owned by: DORR-OLIVER INCORPORATED
Serial Number: 72040670
TORRIVENT
Filed: November 14, 1957
HEATING UNITS; HEATING AND VENTILATING UNITS; HEATING AND COOLING UNITS; HEATING, COOLING, AND VENTILATING UNITS
Owned by: TRANE COMPANY, THE
Serial Number: 72040716
