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in subjects: "Windows"  
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Window-Sash Gearing and Lock

Description: Patent for a window sash mechanism that allows the upper and lower portions of a window to be adjusted and locked independently of each other.
Date: March 1, 1921
Creator: Peaden, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Window Fastener

Description: Patent for a "combined automatic window fastener and lock by means of which a sliding window-sash may be securely held and fastened at any desired point of elevation and locked against movement in either direction."
Date: September 2, 1902
Creator: Parks, Leonard D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sash-Fastener

Description: Patent for sash fastener designed for windows that will be cheaper and easier to manipulate via a specially designed spring locked upper sash and a lower counter sash.
Date: January 21, 1913
Creator: Yaeger, Henry C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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