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Fountain-Brush.

Description: Patent for a fountain brush which allows for the attachment of a wiping cloth, and featuring a spring handle.
Date: March 11, 1913
Creator: Shanley, Michael Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Switch-Locking Device.

Description: Patent for improvements in switch locking devices. Design intends to increase efficiency and ease of operability, as well as providing "means for retaining the latch in inoperative position" when chosen (lines 23-25).
Date: March 11, 1919
Creator: McCormick, William C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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