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Waterproof Car-Door.

Description: Patent for a freight car door of "strong, durable, and inexpensive construction which will be water and air tight, and which will be practically indestructible in case of a wreck" (lines 17-20) including illustrations.
Date: January 1, 1918
Creator: Atkinson, George C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stop-Cock.

Description: Patent for a stop-cock adapted to be used with water service pipes. It features a key operable lock stop-cock whose parts must be manipulated at specific times in order to open the passageway.
Date: January 23, 1912
Creator: Suess, Walter E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Press

Description: Patent for a cotton press that operates slowly and requires minimum power. Illustrations included.
Date: January 18, 1910
Creator: Breihan, Frederick F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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