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Electrofilm Trademarks
ELECTROFILM
ELECTRICAL HEATERS FOR CONVERTING ELECTRICAL ENERGY TO THERMAL ENERGY TO SUPPLY HEAT TO A SURFACE AREA
Cancelled
·
February 11, 1987
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73644154
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ELECTROFILM
PLASTIC FILM
Expired
·
February 22, 1974
·
73014152
·
ELECTROFILM
GRAPHITE AND FINELY DIVIDED METALLIC LUBRICATING COMPOSITIONS APPLICABLE IN LIQUID FORM TO METALLIC SURFACES AND BONDABLE THERETO BY DRYING
Expired
·
December 6, 1954
·
71677770
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