Box for Washing Material for Concrete. (open access)

Box for Washing Material for Concrete.

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.
System: The Portal to Texas History
Weight-Motor. (open access)

Weight-Motor.

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
System: The Portal to Texas History
Improvement in Needle-Threaders for Sewing-Machines. (open access)

Improvement in Needle-Threaders for Sewing-Machines.

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 is used and applied to the machine-needle.” (Lines 37-42) This instrument can be used with curved or straight needles. Illustration is included.
Date: April 20, 1869
Creator: Thielepape, Wilhelm C. A.
System: The Portal to Texas History
Man's Garment (open access)

Man's Garment

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
System: The Portal to Texas History
Fare-Box. (open access)

Fare-Box.

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
System: The Portal to Texas History
Cotton-Gin Attachment (open access)

Cotton-Gin Attachment

Patent for an attachment to be used as a chute for cotton gins. Illustrations included.
Date: April 20, 1909
Creator: Story, Henton L.
System: The Portal to Texas History