UNT Libraries Government Documents Department - 18,572 Matching Results

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Car-Coupling.

Description: Patent for improved car couplings "of the Janney type, capable of readily coupling on short curved, and adapted to be either coupled or uncoupled without going between cars. A further object of the invention is to provide means whereby the parts may be readily set for automatic coupling, or to prevent coupling." (Lines 13-20) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Armstrong, James P.
Item Type: Refine your search to only Patent

Post Hole Digger.

Description: Patent for a new and improved post-hole digger. This design "has for its object to provide a simple, durable, inexpensive, and efficient device, the levers of which can be readily separated, so that either of them can be used as a spade or shovel to fill in the earth around the post after it is placed in the hole" (lines 14-19).
Date: November 21, 1882
Creator: Armstrong, John J.
Item Type: Refine your search to only Patent

Corn and Cotton Planter.

Description: Patent for a new and improved planter. This design, when used "as a corn-planter the slotted plate upon the inclined portion of the bottom is adjusted to cover the entire slot, and the pitman is attached to the pin projecting from the bar operating the seed slide, and when the machine is to be used as a cotton-planter the pitman is attached to the crank at the side of the seed-box, and the plate in the bottom of the box is adjusted so as to give the slot sufficient width to allow the cotton-see… more
Date: December 28, 1886
Creator: Armstrong, John J. & Lowrey, Andrew S.
Item Type: Refine your search to only Patent

Corn or Cotton Planter.

Description: Patent for a new and improved planter. This design consists in "the combination, with the hopper and the seed-slide therein having one end projecting from one end of the hopper, of the reciprocating yoke having its rear portion angular in cross-section and its front portion cylindrical in cross-section and having an arm at one end to engage the opening in the projecting end of the seed-slide, the angular and cylindrical bearings for the respective parts of the yoke, whereby the latter may be un… more
Date: April 23, 1889
Creator: Armstrong, John Joshua & Lowrey, Andrew Stephen
Item Type: Refine your search to only Patent

Adjustable Hoe

Description: Patent for improvement in "the construction of hoes and to provide a simple, practical, and inexpensive hoe, of strong and durable construction." (lines 11-13) including illustrations.
Date: July 27, 1915
Creator: Armstrong, John Joshua, Sr.
Item Type: Refine your search to only Patent

Plow.

Description: Patent for improvements to the turning-plow, with convertible attachments for other forms of plow.
Date: December 11, 1900
Creator: Armstrong, John Joshua, Sr.
Item Type: Refine your search to only Patent

Post Hole Digger.

Description: Patent for a new post hole digger that both facilitates the creation of straight sides to the hole and a mechanism to allow for easy removal of the dirt.
Date: August 17, 1916
Creator: Armstrong, John Joshua, Sr.
Item Type: Refine your search to only Patent

Thread-Cabinet.

Description: Patent "...relates to cabinets for spooladapted to contain spools of thread of different sizes and from which the spools may be easily extracted one at a time" (lines 7-11) including illustrations and descriptions.
Date: January 12, 1897
Creator: Armstrong, John, S.
Item Type: Refine your search to only Patent

Middle-Breaker and Turning-Plow.

Description: Patent for improvements in middle-breakers and turning-plows by providing an attachment for the middle breakers or turning plow, in which it will permit lateral adjustment of the wheel, by the use of a compound axle of adjustable length. (Lines 10-15) Illustration is included.
Date: January 4, 1910
Creator: Armstrong, Josiah B. C.
Item Type: Refine your search to only Patent

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

Ant Trap.

Description: Patent for a new and improved ant trap. This design calls for a tank of water to be buried in the ground and a collar of cheap material to be attached to the tank and placed over the mouth of an anthill. The concave nature of the collar prevents ants from climbing out of it, so they are forced into the water tank, where they drown; the design is cheaper and less toxic than previous designs.
Date: November 22, 1881
Creator: Arnett, Sandridge Thomas
Item Type: Refine your search to only Patent

Bale Tie.

Description: Patent for a new and improved bale tie. This design "consists of a short thin plate of metal having two tongues . . . fronting each other, said plate being pivoted at one end to the bale-hoop . . . the other end of the bale-hoop being passed under the tongues and drawn tightly around the bale, the expansion of the bale on the hoop causes the respective ends to pull on the respective ends of the tie-plate . . . so as to grip the edges of the end passed between the tongues and hold it firmly" (l… more
Date: July 24, 1883
Creator: Arnold, Abbott
Item Type: Refine your search to only Patent

Draft-Appliance.

Description: Patent for a draft appliance (animal-driven vehicle) with the purpose of changing and equalizing the draft between draft-animals and making the draft line easily adjustable.
Date: October 7, 1902
Creator: Arnold, Cyrus M.
Item Type: Refine your search to only Patent

Construction of Railroads.

Description: Patent for an improved railroad construction that consists of "an all metallic railroad which will not be very expensive, will be so strong that an accident is practically impossible, and which may be very rapidly laid" (lines 11-14).
Date: March 7, 1893
Creator: Arnold, Eliphalet L.
Item Type: Refine your search to only Patent

Elevated Railroad

Description: Patent for "improvements in elevated railways; and the object of my invention is to produce an elevated-railway system which is comparatively cheap, which is absolutely safe, and in which the cars are arranged so that they ride very easily and can be readily adapted for both passenger and freight traffic" (lines 8-15).
Date: June 7, 1892
Creator: Arnold, Eliphalet L.
Item Type: Refine your search to only Patent

Nut Lock

Description: Patent for invented a new and useful Nut-Lock. Invention relates to improvements in nut locks of the class known as "spring and ratchet," for the purpose of proving a simple, cheap and easily operated nut lock without injury to any parts, and in which the locking means are concealed and protected while in the operative positions (10-15)
Date: March 14, 1893
Creator: Arnold, Eliphalet L.
Item Type: Refine your search to only Patent
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