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 County: Grayson County, TX
 Collection: Texas Patents
Improvement in Post Hole Diggers

Improvement in Post Hole Diggers

Date: October 7, 1879
Creator: Needham, Hiram K.
Description: Patent for a new design of post hole digger, with a single overlapping metal blade formed into a circular triangular form.
Contributing Partner: UNT Libraries Government Documents Department
Oil Can Spout.

Oil Can Spout.

Date: October 10, 1911
Creator: Melvin, Joe D.
Description: Patent for new improvements to oil can where an attachment to the can is made and acts as both a stopper and a spout
Contributing Partner: UNT Libraries Government Documents Department
Jeweler's Tool.

Jeweler's Tool.

Date: April 29, 1902
Creator: Nilson, Albert A.
Description: Patent for improvements in jeweler’s tools by “comprising a tubular handle, a reciprocatory punch-stem extending through the handle and beyond both ends thereof, a retracting spring seated within the handle and engaging with the stem, a punch-needle having a socket member detachably engaging one end of the punch-stem, and a cap detachably fitting one end of the handle over the end of the stem opposite the punch-needle.” (Page 2, lines 5-[13]) Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Wagon-Brake Ratchet

Wagon-Brake Ratchet

Date: 1902-01-1921
Creator: Shipley, Jack J.
Description: Patent for new mode of applying brake-shoes to a wagon and improvement with the position of the brake level on a wagon.
Contributing Partner: UNT Libraries Government Documents Department
Cultivator.

Cultivator.

Date: December 17, 1901
Creator: Sheridan, W. H.
Description: Patent for an improved cultivator that utilizes wheels and implements adapted for working in adjacent parallel furrows. The cultivator can be used to remove potatoes and similar crops from the earth.
Contributing Partner: UNT Libraries Government Documents Department
Gate

Gate

Date: July 30, 1901
Creator: Baker, Cicero McRee
Description: Patent for "a gate which can be built at a comparatively low price, which will be durable and practical, and which can be opened from either side with ease" (lines 13-17).
Contributing Partner: UNT Libraries Government Documents Department
Automatic Railway-Switch.

Automatic Railway-Switch.

Date: June 25, 1901
Creator: Wilson, James Newton
Description: Patent for a railway-switch by enabling the switch operate automatically when a train is passing by. Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Draft-Equalizer

Draft-Equalizer

Date: May 14, 1901
Creator: Anderson, Samuel Cornelious
Description: Patent for "a draft-equalizer that the draft will be equally distributed among each of the animals attached thereto, so that one may travel in the furrow, if desired, and the remainder permitted to move over the unplowed ground" (lines 22-27).
Contributing Partner: UNT Libraries Government Documents Department
Ant-Trap

Ant-Trap

Date: April 2, 1901
Creator: Inman, Joseph
Description: Patent for "a simple device of this kind which will excel the former traps in depositing the ants within the annular pan and in efficiency for convenient discharge of the trapped insects" (lines 18-22).
Contributing Partner: UNT Libraries Government Documents Department
Seeder

Seeder

Date: August 7, 1900
Creator: Fitzgerald, John Thornton & Ramsey, John Shelton
Description: Patent for a seeder used for sowing small grain including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
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