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in creator/contributor: "Almquist, A. W."

Improvement in Devices for Driving Light Machinery from an Irregular Power.

Patent for light machinery that runs on irregular power. Device stores power produced by wind-wheel.

Date: March 19, 1878

Creator: Everhart, Martin

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Instruments for Filling Teeth

Patent for improvement in instruments for filling teeth. "The object of this invention is to furnish an improved mode of filling teeth, by the use of which the filling may be built up, hardened, and polished at once, so that the filling will be as hard as marble when the patient leaves the operator's chair, and so that they can be immediately used for masticating."

Date: February 29, 1876

Creator: Ludwig, Carl D.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Sand-Conveyers.

Patent for a machine for "taking up and conveying sand into a suitable receptacle". Patent for breaking up sand and transferring it into a receptacle by means of circular cutters, conducting apron, inclined plate.

Date: July 17, 1877

Creator: Garcia, Rufino C.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Faucets.

Patent for a faucet "which is inexpensive in its construction, easily repaired, and efficient in operation" (lines 7-8), including illustrations.

Date: August 7, 1877

Creator: Andrews, Thomas A.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Machines for Making Plow-Irons.

Patent for an improvement in the design for machines for manufacturing plow irons, including illustrations.

Date: March 4, 1873

Creator: McGinty, James M. & Nolan, Thomas.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Pitmen.

Patent for "a new and and useful Improvment in Crank and Pitman;" (lines 3-5) including instructions and illustrations.

Date: May 17, 1870

Creator: Kealy, Thomas

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Patent for an improvement in plow design, including illustrations.

Date: February 25, 1873

Creator: Nichols, James R.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Presses.

Reissued patent for a new and useful improvement in cotton press: "The invention consists in operating the nut of a follower-screw by means of a drive-pinion, whose own shaft is actuated alternately in opposite directions, by a friction-wheel" (lines 13-16).

Date: March 31, 1874

Creator: Knowles, William Wadsworth

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Carburaters

Patent of an improvement for a carbureter that furnishes the apparatus for enriching the vapors of gasoline or other light hydrocarbon.

Date: October 19, 1875

Creator: Pollard, James M.

Item Type: Patent

Partner: UNT Libraries Government Documents Department