UNT Libraries Government Documents Department - 89 Matching Results

Search Results

Insect Destroyer.

Description: Patent for a new and improved pest control device. This design "consist[s] of the flexible air-supply funnel, having end-supporting and mouth-distending rim, terminating in vertical bottom legs or branches, the gas generator, the air-inlet tube having the valve, and the rigid gas-discharge tube" (lines 22-28).
Date: December 25, 1883
Creator: Grafton, William

Insecticide for Boll-Weevils.

Description: Patent for boll-weevil insecticide with novel method of compounding. Arsenic and baking soda are combined with wood ash to create a dust which kills the insects as an inhalent instead of needing to be consumed by the insects in order to be effective.
Date: November 1, 1921
Creator: Koenig, Philipp

Typewriter-Desk.

Description: Patent for typewriter desk which has a compartment with a moveable platform. The platform supports a typewriter, and is "capable of being raised and lowered within the desk so as to position the typewriter for use or non-use as desired". The compartment has a lid, which when in closed position, provides an even writing or resting surface.
Date: April 26, 1921
Creator: Beard, Margurite E.

Insecticide.

Description: Patent for an insecticide that uses an arsenic compound to kill insects instead of Paris green or London purple, and can easily be made into a beautiful green powder that may be used as a pigment.
Date: November 27, 1894
Creator: Brumleu, Ludwig & Brumleu, Ernest

Mail Bag Catcher and Deliverer

Description: Patent for a mail bag catcher and deliverer. "This invention relates to mail bag catchers and deliverers and the principle object of the invention is the provision of simple and efficient mechanism of the character which may be readily and conveniently thrown to operative and inoperative position and wherein the saddle bars and their respective guards may be aligned with the track and car" (lines 9-17). Illustrations included.
Date: January 14, 1913
Creator: Freeman, Richard J.

Vechicle-Top Support.

Description: Patent for "supports for the bows of folding vehicle-tops, and has for its object to provide an improved device of this character for application to one end of the shifting rail of the top, so as to receive the bows and cushion them against injury in folding and when the vehicle is passing over a rough roadway." (Lines 8-15) Illustration included.
Date: May 15, 1900
Creator: Buchanan, Sanford McElroy

Wheel or Felly Screw.

Description: Patent for a new and improved screw for a wheel or felly. This design "relates to screws for setting vehicle fellies or rims on the tenons of the spokes; and its object is to provide a device possessing superior advantages in point of simplicity, ease of adjustment, and general efficiency, whereby one [person] can easily and conveniently set the rim" (lines 9-15).
Date: January 8, 1884
Creator: Rotzien, Christoph

Washing-Machines.

Description: Patent for an improvement in washing machines. The shaping and components are meticulously detailed and indicate they play a part in the said improvement.
Date: January 20, 1874
Creator: Eberhardt, T. C.

Hydrocarbon-Burner.

Description: Patent for hydrocarbon-burner "adapted to be used in stoves, both heating and cooking" (lines 17-18). The device "may be attached to any stove" (lines 24-25). The "invention consists in the novel construction of the burner and particularly the cap" (lines 27-28) as well as "other novel features" (lines 29-30).
Date: September 8, 1903
Creator: George, Charles Hentz

Pad for Horse-Collars

Description: Patent for a pad for a horse collar that connects to one side of the branch and then the other to maintain hold around the animal's neck when pulled back. Includes instructions and illustration.
Date: February 15, 1916
Creator: Flemming, Julius R.

Process of Tanning Hides.

Description: Patent for "an improved process of tanning hides in an expeditious and economical manner, and to produce a fine quality of leather" (lines 8-11). The limed and haired hides are baited thrice, afterwards the hides are packed into "tanning-vats with bark and covering them with a solution of alum and water" (lines 80-82). The hides are then leached in salt water and scoured and dried.
Date: July 14, 1896
Creator: Rogers, John Charsley
Back to Top of Screen