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Heater.

Description: Patent for a heater adapted for use in an internal combustion engine for the purpose of assisting the vehicle to start in cold weather.
Date: May 27, 1919
Creator: Pirtle, Claiborne Clinton
Partner: UNT Libraries Government Documents Department

Ratchet Pipe Cutter

Description: Patent for improvements to a ratchet pipe cutter, which includes an adjustment system to allow for pipes to "approximately quickly adjusted to different sizes of pipe and subsequently automatically moved toward the cutting roller"(lines 11-13).
Date: May 27, 1919
Creator: Hestand, Rue S.
Partner: UNT Libraries Government Documents Department

Railway-Rail and Nut-Lock for Fish-Plate Bolts.

Description: Patent for a railway rail and nut lock for fish plate bolts for use in building railroad tracks.
Date: December 27, 1910
Creator: Finley, Alfred P.
Partner: UNT Libraries Government Documents Department

Checking Attachment for Planters

Description: Patent for a checking attachment for planters that is "easily adjusted to drop seed at various distances" (lines 16-17).
Date: May 27, 1919
Creator: Sprowl, Wiliam L.
Partner: UNT Libraries Government Documents Department
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