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  Partner: UNT Libraries Government Documents Department
 Collection: Texas Patents
Improved in Medical Compounds or Liver Invigorators.

Improved in Medical Compounds or Liver Invigorators.

Date: January 9, 1872
Creator: Simmons, William L.
Description: Patent for a new medical compound to improve liver function.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Soldering-Irons.

Improvement in Soldering-Irons.

Date: December 19, 1871
Creator: Williams, Joseph
Description: Patent for "an apparatus to be used with the common soldering-iron, whereby the same can be heated and kept heated continually while the iron is used." (Lines 6-9) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Washing Machines.

Improvement in Washing Machines.

Date: February 14, 1871
Creator: Jones, William G.
Description: Patent for the improvement of washing machine mechanisms.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Medical Compounds.

Improvement in Medical Compounds.

Date: February 7, 1871
Creator: Lister, Henry
Description: Patent for a new medical compound to remedy chills and fever.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Grinding-Mills

Improvement in Grinding-Mills

Date: May 9, 1871
Creator: Hensley, Henry
Description: Patent for an improvement in grinding-mills, combining the operative mechanism with spindles - in which the both the grinding stones obtain relative surface speeds only half the actual speed of the stones.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Washing-Machines.

Improvement in Washing-Machines.

Date: January 31, 1871
Creator: Nave, Andrew Jackson
Description: Patent for an improvement in washing machines.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Rotary Engines.

Improvement in Rotary Engines.

Date: May 9, 1871
Creator: Hughes, Robert
Description: Patent for improvements in valves used in rotary engines.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Rotary Subsoil-Plows.

Improvement in Rotary Subsoil-Plows.

Date: March 28, 1871
Creator: Morris, Joseph R.
Description: Patent for an improvement upon subsoil plows, using a series of spades arranged upon the same pulleyed rotary shaft, combined with furrow-opening plows.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Cultivators.

Improvement in Cultivators.

Date: May 23, 1871
Creator: Walker, Leander
Description: Patent for changes in the construction of a cultivator.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Tenoning-Machines

Improvement in Tenoning-Machines

Date: April 18, 1871
Creator: Bourland, Melton S.
Description: Patent for an improvement in tenoning-machines, including saws, gauges, flanges, and hinged plates.
Contributing Partner: UNT Libraries Government Documents Department