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  Partner: UNT Libraries Government Documents Department
 County: Dallas County, TX
 Decade: 1870-1879
Improvement in Air-Pressure Fluid-Vents.

Improvement in Air-Pressure Fluid-Vents.

Date: December 25, 1877
Creator: Park, Hardy B.
Description: Patent for "new and useful improvements in air-pressure automatic fluid vents for the use in the discharge of all liquids" (lines 3-6), including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Animal-Traps.

Improvement in Animal-Traps.

Date: December 26, 1876
Creator: Anderson, Zachariah J.
Description: Patent for improvement in animal-traps, with description and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Automatic Fan

Improvement in Automatic Fan

Date: April 25, 1876
Creator: Gollner, Ervin G. & Fretz, Emil
Description: Patent for improvement in automatic fans, specifically of a fan attached to a pendulum of a clock mechanism.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Bale-Ties.

Improvement in Bale-Ties.

Date: October 10, 1876
Creator: Krieg, Christian
Description: Patent for "a perfectly-tight fastening - one that will not slip or give, and one that can be easily and quickly unfastened without cutting the band, or in any way injuring the part." (Lines 16-20) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Bee-hives

Improvement in Bee-hives

Date: September 12, 1876
Creator: Hayden, Noah Dunken & Clapp, Amasa O.
Description: Patent for an improvement of a bee-hive enabling inspection of bees, protection of bees from moths, ventilation of the hive, and removal of honey without disturbing the brood-chamber.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Brick-Machines.

Improvement in Brick-Machines.

Date: July 31, 1876
Creator: Michel, Ferdinand
Description: Patent for an improvement in brick-machines by which a new combination of construction materials is contrived.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Buckles.

Improvement in Buckles.

Date: November 21, 1876
Creator: Bond, Virgil A.
Description: Patent for "an improved method of manufacturing a buckle to secure the different part of harness, saddle, or bridle trimmings, by means of mechanical connections that will obviate the use or necessity or stitches or sewing of any kind, and yet retain the adjacent parts firmly and with a secure engagement." (Lines 18-25) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Car-Couplings.

Improvement in Car-Couplings.

Date: January 13, 1874
Creator: Jackson, Thomas Rivers
Description: Patent for an improvement in railroad-car couplings, including illustration.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Churns.

Improvement in Churns.

Date: December 15, 1874
Creator: Sreeves, Charles B.
Description: Patent for a butter churn.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Clod-Crushers.

Improvement in Clod-Crushers.

Date: May 16, 1876
Creator: Crockett, John M.
Description: Patent for a land-drag and clod-crusher that will effectually crush the clods, level the land, and pack the soil, at one and the same operation.
Contributing Partner: UNT Libraries Government Documents Department
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