UNT Libraries Government Documents Department - 6 Matching Results

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Window-Sash.

Description: Patent for a window sash with metal guides, which hold the window sash in place without the use of other holding devices.
Date: October 20, 1908
Creator: Holbrook, Milo Franklin

Plow.

Description: Patent for a plow that improves on turning plows. The improvement turns soil completely during operation, through a newly designed moldboard.
Date: October 10, 1893
Creator: Kelly, George A.
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