UNT Libraries Government Documents Department - 1,006 Matching Results

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Improvement in Permutation Locks.

Patent for improvements to permutation locks by various means.

Date: September 27, 1870

Creator: Hall, William

Item Type: Patent

Improvement in Trusses.

Patent for improvements in the wiring and metal plates in self-adjusting trusses.

Date: September 27, 1870

Creator: Baker, William

Item Type: Patent

Improvement in Washing-Machines.

Patent for the improvement of the structure of washing machines. The illustration and description show that an improved washing machine, formed by the combination of the open or ribbed roller F F and handles G g1 g2 with the box A B and perforated false bottom E.

Date: September 27, 1870

Creator: Harper, Elijah S.

Item Type: Patent

Improvement in Shackles.

Patent for a shackle for the hands and feet that is designed to prevent the use of objects in order to escape.

Date: September 30, 1870

Creator: Belcher, Melvin Anderson & Perrenot, George Francis

Item Type: Patent

Improvement in Cotton-Pickers.

Patent for improvements in cotton picking machines.

Date: October 18, 1870

Creator: Dreeson, Bartholdt

Item Type: Patent

Improvement in Cotton-Presses

Patent for "a new and improved cotton-press" (line 3) using a stationary toothed wheel, including instructions and illustrations.

Date: October 18, 1870

Creator: Booton, Sinclair

Item Type: Patent

Improvement in Cotton Scrapers and Choppers.

Patent for improvement in cotton scrapers and choppers by way of the innovative placement of plows.

Date: November 8, 1870

Creator: Hale, Nathan

Item Type: Patent

Improvement in Grinding-Mills.

Patent for an improvement in grinding mills which purports to save time.

Date: November 15, 1870

Creator: Westmoreland, Joseph M.

Item Type: Patent

Improvement in Insect-Destroyers.

Patent for a device to destroy "winged insects which are destructive to the cotton plants and other vegetation" (lines 19-21) including instructions and illustrations.

Date: December 6, 1870

Creator: Byrne, Thomas; Strunk, Diedrich & Schott, J. J.

Item Type: Patent

Improvements in Velocipedes.

Patent for the improvement of velocipedes. Improvements combine foot and band propelling apparatus with guiding apparatus.

Date: December 13, 1870

Creator: Maltby, Henry

Item Type: Patent

Improvement in Combined Lint-Room and Cotton-Presses.

Patent for the improvement of lint-rooms and cotton presses, including a description and illustrations.

Date: December 20, 1870

Creator: Albertson, Ichabod H.

Item Type: Patent

Improvement in Cotton Cultivators, Scrapers, and Choppers.

Patent for a new cotton cultivator that allows for a worker to adjust the cultivator's angle based on soil depth.

Date: December 27, 1870

Creator: Young, John H. W.

Item Type: Patent

Improvement in Plows

Patent for a new design for a subsoil plow. Includes instructions and illustration.

Date: December 27, 1870

Creator: Clifton, Josiah

Item Type: Patent

Improvement in Presses for Hay, Cotton, Etc.

Patent for the improvement of presses for hay and cotton, by means of a screw. It includes an illustration and description.

Date: December 27, 1870

Creator: Cunningham, Matthew G.

Item Type: Patent

Improvement in Compounds for Destroying Worms in Cotton-Plants.

Patent for using a solution of water and arsenic for killing cotton pests.

Date: January 2, 1871

Creator: Mitchell, Thomas W. & Briscoe, Robert P.

Item Type: Patent

Improvement in Saw-Sets.

Patent for a simply constructed device for setting the teeth of saws. Includes illustrations and descriptions of its parts and usage.

Date: January 3, 1871

Creator: Harris, Henry A.

Item Type: Patent

Improvement in Shot-Cases and Distributers

Patent for a "new receptacle for holding several grades of shot, and to an adjustable distributing device for the same. Its object is to enable traders to keep the several kinds or grades of shot in one receptacle, but so that suitable quantity of any one kind can be readily and conveniently measured out" (lines 20-26).

Date: January 3, 1871

Creator: Booton, Sinclair

Item Type: Patent