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Weight-Motor.

Description: Patent for a fan, which includes improvements in the arrangement of gears and the addition of a casing with a weighted motor.
Date: April 20, 1915
Creator: McQueen, Charley
Partner: UNT Libraries Government Documents Department

Improvement in Needle-Threaders for Sewing-Machines.

Description: Patent for improvement in needle-threaders for sewing machines by using an “eyelet-frame that formed by two equal parallelopipeds. These parallelopipeds are being kept together by two springs and may be separated by pressing the pins toward each other.” (Lines 32-35) “The axis of a conical eyelet will be laid in the joint planes of the parallelopipeds, its apex in the front side, its basis in the opposite side of the eyelet-frame, through which eyelet the thread has to pass when the instrument… more
Date: April 20, 1869
Creator: Thielepape, Wilhelm C. A.
Partner: UNT Libraries Government Documents Department

Man's Garment

Description: Patent for improvements in men's garments allowing for a reversible garment wherein the stitches appear the same regardless of which side is out.
Date: April 20, 1920
Creator: Góngora, Tomás
Partner: UNT Libraries Government Documents Department

Cotton-Gin Attachment

Description: Patent for an attachment to be used as a chute for cotton gins. Illustrations included.
Date: April 20, 1909
Creator: Story, Henton L.
Partner: UNT Libraries Government Documents Department

Fare-Box.

Description: Patent for a fare-box for cars and other vehicles that allows the driver or conductor to set the fare and which registers the amount paid. Includes instructions and illustrations.
Date: April 20, 1897
Creator: Katzenberger, Oscar
Partner: UNT Libraries Government Documents Department

Box for Washing Material for Concrete.

Description: Patent for "a new and useful improvement in boxes for washing aggregate or rough material for making concrete" (lines 5-7), including instructions and illustrations.
Date: April 20, 1886
Creator: Carrico, Thomas W.
Partner: UNT Libraries Government Documents Department
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