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Ladder.

Description: Patent for a ladder that will allow its prop legs to be slided longitudinally of the main ladder legs to form an extension ladder.
Date: May 23, 1912
Creator: Vierheller, Paul E.
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

Combined Scrubber And Mop.

Description: Patent for the combination of a scrubber, a mop, and a water receptacle to supply the cleansing liquid to the surface that is being cleaned and it provides a mechanism for wringing the mop.
Date: January 23, 1912
Creator: Lee, Bryant
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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