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December 14, 1940 Trademark Filings
ALBANENE
Tracing Paper
Cancelled
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December 14, 1940
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71438844
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PRISMACOLOR
Lead Pencils
Cancelled
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December 14, 1940
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71438835
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PYROTRON
Measuring and Controlling Systems and Apparatus for Temperature Including, Air Pilot Valve Recorder-Controllers, Pyrometer Air Control Apparatus, Recording Thermometers, Resistance Thermometers, Temperature Indicators, Temperature Recorders, Temperature Controllers, Temperature Recorder-Controllers, and Charts and Accessories Therefor Such as for Example, Thermometer Wells and Temperature Elements
Cancelled
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December 14, 1940
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71438828
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