Environmental control apparatus Trademarks Filed in May 15, 1929
CARBOFRAX
Filed: May 15, 1929
FURNACES AND PARTS THEREOF, MUFFLES AND PARTS THEREOF, RETORTS AND PARTS THEREOF, OIL AND GAS BURNERS AND PARTS THEREOF,…
Owned by: CARBORUNDUM COMPANY, THE
Serial Number: 71284046