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Needle for Graphophones and the Like.

Description: Patent for a gramophone needle that produces better sound due to allowing for vibrations and can be used longer by producing a a sharpened point on one side while playing that can be used the next time by turning over the needle.
Date: April 9, 1907
Creator: Petmecky, Fred
Partner: UNT Libraries Government Documents Department

Hat-Fastener.

Description: Patent for an adjustable hat holder using a band and fasteners, with illustrations.
Date: April 9, 1901
Creator: Huppertz, Lina
Partner: UNT Libraries Government Documents Department

Hat-Pin Point Protector

Description: This patent is for the device that is to be used for protecting the point of the hat pin, and the invention aims to improve the operative connection between the compartmental members which shield and grip the point of the pin.
Date: April 9, 1918
Creator: Koch, Charles Albert
Partner: UNT Libraries Government Documents Department

Piston-Head

Description: This patent relates to piston heads particularly designed for use in connection with a hydrocarbon engine. The purpose of this invention is to provide a novel form of a ball and socket connection between the piston rod and the piston head. The said connection is designed to be durable in construction , cheap to manufacture and easily applied.
Date: April 9, 1918
Creator: Collier, William Reid
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a car-coupling that provides "a link of this character which will remain set in a coupling position at all times, so that the coupling of the cars can be effected in an automatic manner" (lines 10-14). It can be easily adjusted to different heights and its construction prevents jerky movements.
Date: April 9, 1895
Creator: Yeiser, John C.
Partner: UNT Libraries Government Documents Department
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