May 1917 Chemicals Trademarks by day
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Chemicals Trademarks filed in May 1917
AIRCO

AIRCO

Filed: May 28, 1917
OXYGEN,ACETYLENE, AND NITROGEN
Owned by: AIRCO, INC.
Serial Number: 71104111

BLACK AND WHITE

BLACK AND WHITE

Filed: May 7, 1917
OINTMENTS FOR MEDICINAL USE IN THE TREATMENT OF SKIN DISEASES
Owned by: PLOUGH, INC.
Serial Number: 71103585