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in subjects: "Science and Technology - Tools"  
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Ratchet Die-Stock

Description: Patent for improvement on the usage of die-stocks which are used to cut and thread metal objects such as pipes.
Date: July 22, 1919
Creator: Hestand, Rue S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Sack Hanger.

Description: Patent for a hanger designed to easily attach and detach from a cotton sack without damaging the sack or the hands of a cotton picker. It is designed to be made of a single piece of material and may be used to hang the sack on a scale for weighing the contents.
Date: July 22, 1919
Creator: Hamrick, Walter
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Jack.

Description: Patent for improvements in jacks used for shipbuilding. The device described is designed to aid in the processes of fastening siding to the ribs of a ship hull by first forcing the boards that form the siding close together so that they can then be secured to the hull's ribs. The improvements this jack provides is the necessary force required to closely align the boards easily and quickly before they are nailed in place. This mechanical device is lightweight, efficient and easy to repair. It ca… more
Date: July 22, 1919
Creator: Singleton, James D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Submarine Telescope.

Description: Patent for submarine telescope using a pair of longitudinal tubes, mounted lens, rigid rods, electric light bulb, and chains for securing to the boat. Intended as useful improvements to submarine telescopes with the objection to assist in locating submerged objects. Accompanied with illustrations.
Date: April 22, 1919
Creator: Armstrong, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fluid- Dispensing Control

Description: Patent for the improvement of fluid dispensing controls. The invention provides a more efficient way to discharge fluid from a storage container by using compressed air, and valve arrangement.
Date: April 22, 1919
Creator: Catron, John J
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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