The Edward W. Orton, Jr. Ceramic Foundation Trademarks
TEMPTAB
Refractory shapes of pyrometric metal used for measuring the amount of heat absorbed during firing of metals
Owned by: The Edward W. Orton, Jr. Ceramic Foundation
Serial Number: 77206361
TEMPTAB
Inorganic refractory shapes, not of metal, used for measuring the amount of heat absorbed during firing of metals
Owned by: The Edward W. Orton, Jr. Ceramic Foundation
Serial Number: 77975325
