UNT Libraries Government Documents Department - 6 Matching Results

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Car-Rail Hose-Bridge.

Description: Patent that provides a hose-bridge that is light in weight and simple in construction, that can be carried on the cars or stored at different points on the line convenient for use.
Date: January 24, 1921
Creator: Tyler, Charley P.
Item Type: Refine your search to only Patent

Dental-Broach Holder.

Description: Patent for a dental broach holder that can be easily cleaned, and that includes certain structural elements that keep a dental broach more secure during use. The broach fastens on the outside of the holder, the mechanism of which "[prevents] loss of the broach in the patient's mouth during operation" (lines 92-94).
Date: January 24, 1922
Creator: Gilbert, James M.
Item Type: Refine your search to only Patent

Mold.

Description: Patent for a new, improved Mold "specially designed for the formation of the rings of packing such as is used in stuffing boxes for packing metallic rods" (lines 11-14), illustrations included.
Date: January 24, 1922
Creator: Miller, Ose Z.
Item Type: Refine your search to only Patent

Mousetrap

Description: Patent for a mousetrap that is an improvement to the average mousetrap, but new in the sense that it can be made in various proportions or sizes for a variety of vermin.
Date: January 24, 1922
Creator: Spencer, Clarence E.
Item Type: Refine your search to only Patent
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