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 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
Improvement in Thill-Couplings.

Improvement in Thill-Couplings.

Date: November 26, 1872
Creator: Fitzsimmons, Henry
Description: Patent for improvements in thill-couplings "whereby provision is made for the easy connection and disconnection of the shafts or pole of the vehicle without any unscrewing or removal of bolts or pins" (para. 2).
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Turning-Lathes for Wood.

Improvement in Turning-Lathes for Wood.

Date: May 20, 1873
Creator: Park, Anderson R.
Description: Patent for an improved machine for turning saddle-tress.
Contributing Partner: UNT Libraries Government Documents Department
Improvements in Gin-Saw Sharpeners.

Improvements in Gin-Saw Sharpeners.

Date: June 10, 1878
Creator: Walsh, William H.
Description: Patent for new and improved Cotton-Gin-Saw sharpener.
Contributing Partner: UNT Libraries Government Documents Department
Low Pressure Air Brake Alarm

Low Pressure Air Brake Alarm

Date: March 20, 1900
Creator: Parson, A. H.
Description: Railway brake mechanism leveraging a fluid pressure alarm
Contributing Partner: UNT Libraries Government Documents Department
Lumber Door for Railroad Box Cars

Lumber Door for Railroad Box Cars

Date: December 6, 1882
Creator: George B. Nichols
Description: Patent for lumber door on railroad box cars.
Contributing Partner: UNT Libraries Government Documents Department
MACHINE FOR MAKING MATTRESSES.

MACHINE FOR MAKING MATTRESSES.

Date: January 23, 1900
Creator: Daviss, H. P. & Daviss, N. F.
Description: Patent for Machine For Making Mattresses.
Contributing Partner: UNT Libraries Government Documents Department
Mechanical Movement

Mechanical Movement

Date: April 24, 1900
Creator: Stewart, E. T.
Description: Patent for cranked driven shaft
Contributing Partner: UNT Libraries Government Documents Department
Milk-Cooler.

Milk-Cooler.

Date: May 5, 1900
Creator: Halford, William G.
Description: Patent for a combined water-cooler and refrigerator. "One object of the present invention is to improve the construction of devices of this character and to provide a simple, inexpensive, and efficient one capable of enabling the temperature of its contents to be readily controlled and quickly changed. A further object of the invention is to provide a combined water-cooler and refrigerator which may be advantageously employed as a churn-body" (lines 10-19). Includes specifications and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Motor

Motor

Date: October 5, 1886
Creator: Lay, William.
Description: Patent for a "new and improved propeller for boats which is simple in construction, prevents a loss of power, and is thus very economical." (lines 8-10). Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department