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 County: Limestone County, TX
 Collection: Texas Patents
Improvement in Plows.

Improvement in Plows.

Date: April 3, 1855
Creator: Hall, Thomas J.
Description: Patent for the improvement of the Rotary-Disk Cutters for plows that enable it to swivel and be supported by guides, including illustration.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Gang-Plows.

Improvement in Gang-Plows.

Date: May 1, 1855
Creator: Hall, Thomas J.
Description: Patent for the improvement of the gang plow by the plows arrangement and pivoted beams to be adjustable for convenience, including illustration.
Contributing Partner: UNT Libraries Government Documents Department
Improved Cultivating-Plow.

Improved Cultivating-Plow.

Date: March 25, 1856
Creator: Crenshaw, Micajah
Description: Patent for a cultivating plow with a series of cutting-disks and digging-hoes, including illustration.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Carriage-Axles.

Improvement in Carriage-Axles.

Date: July 26, 1870
Creator: Hall, William N.
Description: Patent for an easily replaceable and self-lubricating carriage axle. Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Permutation Locks.

Improvement in Permutation Locks.

Date: September 27, 1870
Creator: Hall, William
Description: Patent for improvements to permutation locks by various means.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Combination Locks.

Improvement in Combination Locks.

Date: September 12, 1871
Creator: Hall, William N.
Description: Patent for improved combination locks, with a bolt that is locked or unlocked by the combination of spindles and pivoted buttons. The invention combines the spindles in to an "annular ring having letters or numbers and a series of different shaped pegs or combinations of letters or figures or both jointly" (pg 1).
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Fire-Place Fenders.

Improvement in Fire-Place Fenders.

Date: February 27, 1872
Creator: Hall, William N.
Description: Patent for "an extensible fender adapted for large or small fire-places" (lines 8-10) including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Buckles.

Improvement in Buckles.

Date: June 18, 1872
Creator: Hardeman, Jerome B. R.
Description: Patent for improvement in buckles by providing “with two two tongues on the same pivot, and with a guard for securing the same and the straps in position, thereby producing a simple and reliable means of connecting two straps.” (Lines 6-10) Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Presses.

Improvement in Presses.

Date: September 24, 1872
Creator: Lasswell, Allen
Description: Patent for a new press design, including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Nails.

Improvement in Nails.

Date: January 21, 1873
Creator: Hall, William N.
Description: Patent for a nail with hexagonal form with two sides nearly flat and beveled edges.
Contributing Partner: UNT Libraries Government Documents Department
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