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 County: Grayson County, TX
 Month: March
 Collection: Texas Patents
Automatic Car-Switching System.

Automatic Car-Switching System.

Date: March 24, 1896
Creator: Lelardoux, Pierre
Description: Patent for "a system of switching where the cars of a train are pushed up an incline and placed successively on an elevated annular revolving platform, by which they are automatically distributed to their respective receiving-tracks" (lines 9-14).
Contributing Partner: UNT Libraries Government Documents Department
Combined Land Roller and Plow

Combined Land Roller and Plow

Date: March 10, 1885
Creator: Weddle, Henry, of Sherman, Texas
Description: Patent for combined land roller and plow. This tool is meant to be used to prepare the ground for planting. The illustrations have the labeled components and the text describes their uses.
Contributing Partner: UNT Libraries Government Documents Department
Cotton Stalk and Weed Cutter.

Cotton Stalk and Weed Cutter.

Date: March 21, 1882
Creator: Vannoy, James Harvey
Description: Patent for a new and improved cotton stalk and weed cutter. This design calls for "[a]n interchangeable cotton-stalk cutter and sulky plow . . . adapted to receive a plow at its rear end" (lines 67-70). The cutting blades can be raised and lowered as needed.
Contributing Partner: UNT Libraries Government Documents Department
Cotton Stalk Cutter.

Cotton Stalk Cutter.

Date: March 27, 1883
Creator: Stone, James Micajah
Description: Patent for a new and improved stalk cutter. This design "relates to the shearing device of a cotton-stalk cutter; and it consists in a novel construction of the share or blade, which is made to lie comparatively flat on the ground and to sever the stalk with a hand-shear cut" (lines 7-11).
Contributing Partner: UNT Libraries Government Documents Department
Fire-Escape

Fire-Escape

Date: March 6, 1888
Creator: Glasscock, James H.
Description: Patent for a fire escape "which will be capable of lowering people or goods for a high structure with perfect ease and comfort, and without danger of breaking" (lines 21-24) while also being "very simple and durable of construction thoroughly efficient in operation, and cheap to manufacture" (lines 26-28).
Contributing Partner: UNT Libraries Government Documents Department
Gate.

Gate.

Date: March 17, 1885
Creator: Davis, Richard I.
Description: Patent for a new and improved gate. This design consists in "[t]he combination, with a gate, one of the rails whereof is about thrice as thick as the remainder of said rails, and is provided with a central groove along its upper face, of three supporting-posts, each having a recess furnished with a roller in its lower part, upon which the aforesaid rail may travel, a tongue projecting from the upper edge of said recess into the groove of said rail, and an upright attached to the central post, so as to form a guide retaining the gate in an erect position" (lines 47-57).
Contributing Partner: UNT Libraries Government Documents Department
Gunpowder Can.

Gunpowder Can.

Date: March 25, 1890
Creator: Lee, Newton M.
Description: Patent for new container for holding and dispensing gunpowder with illustrations consisting of "glass vessel incased within a metallic jacket and having an exteriorly-screw-threaded neck, in combination with a cap or cover" (page 2, lines 1-3) to increase safety and prevent corrosion of vessel.
Contributing Partner: UNT Libraries Government Documents Department
Hand-Stamp.

Hand-Stamp.

Date: March 17, 1891
Creator: Fox, James T.
Description: Patent for improvements in hand-stamps which “comprised a polygonal block or disk having some of its edges provided with rubber type-strips securely fastened thereto, its other edges cut away to form shoulders, spring-metal guides or holders secured the cut-away portions, and type-strips removably secured in the guides or holders,” (lines 75-82); includes illustration.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Air-Cooling Apparatus.

Improvement in Air-Cooling Apparatus.

Date: March 30, 1875
Creator: Hyatt, Frank A.
Description: Patent for "the construction and arrangement of a refrigerator for the purpose of cooling and maintaining a low and dry temperature, for preserving fresh meats and vegetables, and for cooling rooms for any purpose." (Lines 10-15) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Pot Holder or Hanger.

Pot Holder or Hanger.

Date: March 24, 1896
Creator: Powers, Nathaniel J. T.
Description: Patent for a pot or boiler hanger that is simple and inexpensive and is meant for hanging a pot or boiler above a fire. The hanger is light, easily transportable, compact, and adjustable.
Contributing Partner: UNT Libraries Government Documents Department
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