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Waytrol Trademarks
WAYTROL
BELT CONVEYOR SCALES
Expired
·
August 2, 1965
·
72224754
·
WAYTROL
CONSTANT WEIGHT FEEDERS, PARTICULARLY ADAPTED TO FEED GRANULAR MATERIALS SUCH AS CHEMICAL SALTS, QUARTZ, BORAX, FELDSPAR, LIME, SAND, POTASH AND COAL
Expired
·
September 30, 1936
·
71383830
·
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