Environmental control apparatus Trademarks Filed in January 22, 1962
QUALITY BRAND FILTER ELEMENT
Filed: January 22, 1962
OIL, AIR, AND FUEL FILTER ELEMENTS
Owned by: J. A. BALDWIN MANUFACTURING CO.
Serial Number: 72136186
PANELFIN
Filed: January 22, 1962
HEAT EXCHANGE PRODUCT FOR USE IN THERMOELECTRIC ENERGY CONVERSION AND COOLING OF ELECTRIC COMPONENTS
Owned by: CALUMET & HECLA, INC.
Serial Number: 72136200
