Environmental control apparatus Trademarks Filed in August 16, 1963
VENT-A-SYSTEM
Filed: August 16, 1963
Louver Type Ventilating Equipment
Owned by: H. C. Products Co.
Serial Number: 72175191
SALT SAVER
Filed: August 16, 1963
REGENERATING LIQUID CONTROLS FOR HOME WATER SOFTENERS
Owned by: Ecodyne Corporation
Serial Number: 72175225
