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Carbitron Trademarks
CARBITRON
CHEMICAL COMPOSITIONS FOR USE IN THE PREPARATION OF CEMENT, ASPHALT, GYPSUM, AND SIMILAR CONSTRUCTION MATERIALS
Registered
·
August 9, 1963
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72174809
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CARBITRON
TREATING OF METALS WITH ELECTRIC SPARKS TO MAKE THEM TOUGHER AND MORE WEAR RESISTANT
Expired
·
August 3, 1962
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72150392
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CARBITRON
INTERMITTENT ELECTRIC SPARK DISCHARGE MACHINES FOR TREATING METAL AND METAL ARTICLES TO MAKE THEM TOUGHER AND MORE WEAR RESISTANT
Expired
·
August 3, 1962
·
72150391
·
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