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Letter-Tying Device

Description: Patent for a package tie. Illustrations included.
Date: January 12, 1909
Creator: Greenwood, Bluford P.
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for a rotary engine. Illustrations included.
Date: January 12, 1909
Creator: Schaefer, Herbert Clyde
Partner: UNT Libraries Government Documents Department
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