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in creator/contributor: "Evans, William"  
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Key-Ring Clip.

Description: Patent for new improvements for key ring clips that will not detach in a seated position.
Date: July 6, 1920
Creator: Evans, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Channel Cleaner.

Description: Patent for a new and improved channel cleaner. This design "is to construct an apparatus which may be anchored in a channel where there are sand-bars, for the purpose of agitating the water and stirring up the sand, so that the current may remove it. [The] invention consists in a trunk or large tube perforated along the bottom and provided at one end with a flaring mouth for concentrating the current within the trunk; also, in the combination, with the trunk, of a stirrer and a motor-screw for … more
Date: April 22, 1890
Creator: Evans, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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