UNT Libraries Government Documents Department - 3 Matching Results

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Heating System

Description: Patent for a heating system. This invention is to distribute heat vie flues throughout multiple rooms from a common source. Illustration included.
Date: April 30, 1907
Creator: Jones, Jefferson Davis

Sand Box

Description: Patent for a sand box. This invention "relates to sand guards for vehicle wheel hubs, and has for its principal object to provide a guard" (8-10). Illustration included.
Date: April 21, 1908
Creator: Underwood, Thomas M.
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