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Polarstream Trademarks
POLARSTREAM
liquid nitrogen, for use in refrigeration systems
Cancelled
·
April 14, 1992
·
74265580
·
POLARSTREAM
LIQUID NITROGEN
Expired
·
March 7, 1969
·
72321094
·
POLARSTREAM
LEASING OF REFRIGERATION APPARATUS
Expired
·
July 27, 1961
·
72124860
·
POLARSTREAM
Apparatus Utilizing Liquified Gases for Creating Refrigeration Conditions in the Shipment and Storage of Frozen Foods
Cancelled
·
July 17, 1961
·
72124150
·
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