UNT Libraries Government Documents Department - 6 Matching Results

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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
Item Type: Refine your search to only Patent

Nut Lock.

Description: Patent for an improved nut lock that prevents nuts from loosening. The invention is a combined nut lock and washer with spring plate, including illustrations.
Date: January 14, 1919
Creator: Teague, Isaac E.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent
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