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Spirule Trademarks
SPIRULE
CALCULATING DEVICE KNOWN AS THE ROOT LOCUS PLOTTER
Expired
·
April 13, 1962
·
72142225
·
SPIRULENIUM
Vitamins and mineral supplements
Cancelled
·
July 18, 2005
·
78672107
·
SPIRULEX
Dietary supplements
Abandoned
·
September 21, 2016
·
87179101
·
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