UNT Libraries Government Documents Department - 3 Matching Results

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Clothes-Rack.

Description: Patent for "a new and improved clothes rack, adapted to be carried in one's pocket," (lines 8-10) including instructions and illustrations.
Date: July 1, 1919
Creator: Walling, Carl H.
Item Type: Refine your search to only Patent

Triple Valve.

Description: Patent for a triple valve for brake systems on trains, which reduces pressure in the air pipes of the train and automatically brakes if there is a broken air hose.
Date: July 26, 1910
Creator: Torbron, Orin F.
Item Type: Refine your search to only Patent
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