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March 10, 1932 Trademark Filings
SUPERBA NPCO
CARBON PAPER AND TYPEWRITER RIBBONS
Expired
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March 10, 1932
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71325011
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AGOBYL
LIVER POWDER
Expired
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March 10, 1932
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71325004
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TANG
CHEMICALS USED FOR THE PREVENTION OF RUST AND CORROSION OF METALS IN CONTACT WITH WATER; FOR THE PREVENTION AND REMOVAL OF INCRUASTATIONS AND DEPOSITS IN WATER LINES, HEATERS, PRE-HEATERS, STEAM BOILERS, PUMPS, ENGINE JACKETS, CONDENSERS, EVAPORATORS, RADIATORS; FOR INHIBITING THE EMBRITTLEMENT OF METAL IN BOILERS, CONCENTRATORS, AND THE LIKE; AND FOR INCREASING THE YIELD OF OIL IN WATER FLOODING PROCESSES BY TREATMENT OF THE WATER USED THEREIN.
Expired
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March 10, 1932
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71319770
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