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Charge Firing Pin

Description: Patent for a new improvement in Charge - Firing Pens by John N. Swanson. Designed for bombs and torpedoes to create a simple firing pen mechanism that is simple, yet prevents accidental detonation of munitions
Date: January 14, 1918
Creator: Swanson, John N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rifle Bolt

Description: Patent for a new style of bolt for bolt action rifles. Designed with the purpose of fulfilling the same functionality as a bolt on the Springfield Rifle, while using less parts and requiring no other modifications to the Springfield rifle.
Date: October 2, 1916
Creator: Mudd, Thomas, O.
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Partner: UNT Libraries Government Documents Department

Derailing Block dated October 1, 1918

Description: Patent for new and improved detailing rocks for railroads. What makes this unique is that the clamp can be quickly and effectively clamped to railroad tracks.
Date: February 19, 1918
Creator: Samuel Harvey Garrett & Joseph Owen Staude
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Partner: UNT Libraries Government Documents Department

Improvement in Earth Scrapers

Description: Patent for improved earth scrapers, the class of which are " mounted on Wheel and provided with slatted carriers" (pg 1). This earth scraper has a novel system that allows the machine to be turned around and still used where other machines cannot do so (pg 1).
Date: August 27, 1872
Creator: Smith, Amroy B.
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Partner: UNT Libraries Government Documents Department

Well-Screen

Description: Patent for a modification to Mr. Layne's previous Patent No. 1,062,717, including illustrations.
Date: February 24, 1914
Creator: Layne, Mahlon E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tie

Description: Patent for a metallic casing for a railroad tie. Illustrations included.
Date: August 27, 1912
Creator: Bzsan, Stefan
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fountain Brush

Description: Patent for an improved fountain brush. Illustrations of the improved patent and a detailed explanation are provided.
Date: unknown
Creator: Moss, William F
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Valve

Description: Patent for a valve. Illustrations and detailed written description of patent.
Date: unknown
Creator: Milton, John Foy
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Miner's Lamp.

Description: Patent for a miner's lamp with a combustion chamber that allows for the regulation and extinguishing of the flame. It is designed to be lightweight and cheap to manufacture.
Date: July 29, 1913
Creator: Sallander, Carl G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton Gin

Description: Patent for a cotton gin. 6 pages of illustrations with a 12 page description explaining the patent.
Date: unknown
Creator: Murray, Stephen D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Car-Brakes.

Description: Patent for "car-brakes that work automatically and without manual intervention as soon as the locomotive is stopped." (Lines 12-14) Includes instructions and illustrations.
Date: June 1, 1875
Creator: Kirtley, Fielding L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fence-Post.

Description: Patent for new metal fence posts and supports to "improve and simplify the general construction of devices of this character" (lines 13-15).
Date: April 14, 1914
Creator: Naiser, John Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Loose-Leaf Binder.

Description: Patent for a loose-leaf binder for medicine prescriptions, which is easier to open and close than previous ones.
Date: July 23, 1907
Creator: Perkins, John Hardeman
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Seed Planters

Description: Patent for "improvement in Seed Planters as herein described and pointed out in the claim..."(paragraph 4 contains instructions and references to the illustration Fig 1 and Fig 2 as well as these illustrations labeled parts)
Date: February 25, 1873
Creator: Friday, Reuben
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for improvements in washing-machines by using a combination of body, the shaft journaled in suitable bearings and extending beyond the body, the cog-wheel arranged on the extended end... and the rotary rubber.” (Lines 91-98, p.1 to lines1-6, p.2) Illustration is included.
Date: October 27, 1891
Creator: Walter, George P.
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for this plow relates to an improvement in plows commly known as "sweeps;" and provides a device of cheap and simple construction adapted to be applied to the rear or upper edge of an ordinary sweep.
Date: February 23, 1892
Creator: Hill, David Jeferson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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