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Lifting-Jack

Description: Patent for an improvement made to lifting jack machinery that raises automobiles for repairs. The patent prevents the axle from slipping in circumstances where the vehicle is on slippery grounds or parked on a hill. Includes illustrations.
Date: May 10, 1921
Creator: Watson, Chester A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Book-Support and Writing-Table.

Description: Patent for book support and writing table that adjusts to the item being used by the person. The tray is able to hold the item either a book or writing materials while adjusting to the user's needs. The book support and writing table can be folded to occupy little space.
Date: May 10, 1921
Creator: Taylor, Henry S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Stove

Description: Patent for improvements in oil burner stoves.Pertains more to oil stoves with movable burners so that the flame intensity can be adjusted or extinguished.
Date: May 10, 1921
Creator: Cook, Thomas Edward
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cultivator-Fender.

Description: Patent for an improvement to cultivator-fenders that prevents rocks and other debris from being throws about while plowing.
Date: May 10, 1921
Creator: Calk, Alonzo E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump for Hydraulic Presses

Description: Patent for a hydraulic pump that drives at a uniform speed as the pressure of the press increases, and connects the pistons with two pairs of cylinders moving in opposite cycles.
Date: May 10, 1921
Creator: Henry, Nelson B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Can Opener

Description: Patent for a can opener specifically shoe polish boxes. It is used as an opener that will not require the use of rivets, openings in the material, or any other means whereby air may enter the can.
Date: May 10, 1921
Creator: Searcy, Peter B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clutch and Transmission Mechanism

Description: Patent for a new and useful improvements in a clutch and transmission mechanism specially applicable to motor vehicles. It has been designed for the purpose of operating the clutch and transmission for effecting changes of speed in which the speed desired can be selected in advance and then obtained by an automatic shifting of the transmission gears, when the clutch is disengaged through the operation of the clutch controlling lever.
Date: May 10, 1921
Creator: Mottier, Walter F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ink-Bottle

Description: Patent for an ink bottle with screw threads allowing it to be screwed and unscrewed into a holder or desk; ink bottle can also be removed for cleaning or filling.
Date: May 10, 1921
Creator: Kayser, Mary Louise
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Flour-Milling Machinery.

Description: Patent for flour milling machinery with reduced costs of equipment and operation, less required space, and improved quality and quantity of flour.
Date: May 10, 1921
Creator: Smith, George T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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