UNT Libraries Government Documents Department - 575 Matching Results

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Description: Patent for a combination tool that provides "a novel form of tool-head arranged to interchangeably carry a plurality of tools of different characters, whereby the single tool-head may be employed in various capacities" (lines 8-12), including illustrations.
Date: January 30, 1906
Creator: Spicer, John R.


Description: Patent for a machine that can cut potatoes and other vegetables into small cooking sized pieces. It has removable blades that allow for different sized pieces to be cut based on the needs of the user.
Date: May 29, 1906
Creator: Lansford, Isaac B.

Ventilating Apparatus.

Description: Patent for a ventilating apparatus for railway cars for the purpose of supplying air to railway car interiors without needing to open a window (which tends to also let in smoke and dust), including illustrations.
Date: March 6, 1906
Creator: Parrish, Ezekiel L.


Description: Patent for improvements in cultivator-plow through the positioning and connection of parts. Adjustable plow for different cultivating functions and different crops, especially for cotton. Illustration and materials recommendations included.
Date: March 18, 1902
Creator: Sheffield, James A. D. & Sheffield, John C.


Description: Patent for a type of parachute that may be used for a balloon, air ship, or a window of a building as a method of fire escape. The design is such that the parachute may be stored in a compact, unobtrusive way while not in use. This is made possible by mounting multiple parachutes, one above the other, in varied diameter.
Date: November 28, 1911
Creator: Mayes, Aceph, B.

Ice-Cream Freezer.

Description: Patent for an improvement on ice cream freezer design in which casing an cream receptacles are mounted within the freezer unit. Special features include to agitate the cream receptacles as well as a mechanism keeping the freezing brine in constant circulation, resulting in an consistency in the quality and texture of the ice cream throughout.
Date: November 28, 1911
Creator: Hedges, Harry J.


Description: Patent for a spring motor intended to operate churns. It has a quality which allows it to be stopped or interrupted during its operation.
Date: November 28, 1911
Creator: Murdock, John F.


Description: Patent for a plow fender, which allows a plow to be operated next to plant rows without injuring them and deflects rocks and other obstacles.
Date: October 22, 1907
Creator: Skidmore, John C.