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  Partner: UNT Libraries Government Documents Department
 County: Robertson County, TX
 Collection: Texas Patents
Improvement in Cotton-Cultivators.

Improvement in Cotton-Cultivators.

Date: May 6, 1873
Creator: Bates, Finis L.
Description: Patent for a new improvement for a cotton-cultivator with different tools and connections, including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Combination Locks.

Improvement in Combination Locks.

Date: July 1, 1873
Creator: Hall, Phidello W.
Description: Patent for combination latch-locks, "in such manner as that the knob-latch, while performing its special function, will also serve as the lock upon any combination to which it may be adjusted, and the said latch can be operated from either the outside or inside of the door as a latch simply, or as a combination lock, which latter is further secured from the inside by the employment of a safety pin, rendering the bolt in its locked position perfectly secure, while by its partial withdrawal it prevents the possible change of the combination from the outside, and admits of the free use of the latch independent of such combination." (Lines 29-42) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Permutation-Locks. [PAGES MISSING]

Improvement in Permutation-Locks. [PAGES MISSING]

Date: September 9, 1873
Creator: Hall, Phildello W.
Description: Patent for an improvement to combination locks. "It consists of various devices, which are operated by a revolving wheel having a number of projections or pins upon its periphery, which differ so materially from each other in shape that they can be easily recognized by day or night by the touch alone." (Lines 13-19) Illustration included.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Bridges.

Improvement in Bridges.

Date: May 26, 1873
Creator: Davis, Benjamin F.
Description: Patent for an improvement in Bridges and Self-Supporting Roofs and Girders. The invention provides instruction for "the construction of truss-bridges and self supporting roofs and girders"..."by nailing or bolting securely together successive layers of plank joined at different points."
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Permutation-Locks

Improvement in Permutation-Locks

Date: March 10, 1874
Creator: Hall, Phidello W.
Description: Patent for an improvement in permutation locks.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Plows.

Improvement in Plows.

Date: November 17, 1874
Creator: Ihringer, August
Description: Patent for "means whereby the beam of a plow may be elevated or depressed at the front end according to the depth to which it is intended that the plow shall run, and held securely at several points of adjustment." (Lines 11-16) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Car-Couplings.

Improvement in Car-Couplings.

Date: March 30, 1875
Creator: Garrett, Charles C.
Description: Patent for an improved train car-coupling, including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvements In Dropping-Bottles

Improvements In Dropping-Bottles

Date: June 29, 1875
Creator: Garrett, Charles C.
Description: Patent for improvements in dropping-bottles that can be used by doctors, nurses, and pharmacists to dispense medicine one drop at a time.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Car-Couplings.

Improvement in Car-Couplings.

Date: November 23, 1875
Creator: Harper, Derastus
Description: Patent for an improved automatic car-coupling, including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Watchmakers' Lathes.

Improvement in Watchmakers' Lathes.

Date: March 13, 1876
Creator: Williams, Daniel M.
Description: Patent for the improvement of watchmakers' lathes by way of an adjustable bed.
Contributing Partner: UNT Libraries Government Documents Department
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