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in subjects: "plows"  
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Plow Attachment.

Description: Patent for the ability to attach one or more plows simply and inexpensively so users can customize their plowing methods as needed.
Date: February 10, 1914
Creator: Welch, Drew O.
Partner: UNT Libraries Government Documents Department

Adjustable Axle for Plows, Planters, and the like.

Description: Patent for an adjustable axle "for use in connection with wheel mounted or sulky plows, of the middle burster or lister type, or for use in connection with planters and other devices for tilling or working the soil" (lines 10-14) and which allows for the plow to run evenly despite the evenness or unevenness of the soil.
Date: May 26, 1914
Creator: Dalley, William F.
Partner: UNT Libraries Government Documents Department

Beam-Spring Trip for Cultivators, Plows, &c.

Description: Patent for the improvement of "the construction of spring trips, and to provide a simple and inexpensive spring trip, capable of being constructed of sufficient strength to enable it to be employed on stirring and breaking plows as well as cultivators, planters and the lighter class of agricultural implements" (lines 12-18) including instructions and illustrations.
Date: July 29, 1913
Creator: Alsup, Thomas B.
Partner: UNT Libraries Government Documents Department

Listing-Plow.

Description: Patent for a listing plow, "more particularly an improvement upon the structure disclosed in Patent No. 866,679, issued to [Gottfried Persson] on September 24, 1907" (lines 9-11), including instructions and illustrations.
Date: April 22, 1913
Creator: Persson, Gottfrid
Partner: UNT Libraries Government Documents Department

Weed-Cutter for Plows.

Description: Patent for new improvements in weed-cutters or middle breaker plows, including illustrations.
Date: July 7, 1914
Creator: Underwood, William J.
Partner: UNT Libraries Government Documents Department

Sulky-Plow

Description: Patent for the design of a plow that can "overcome obstacles without injury to"(lines 14-15) to the machine. It also includes a new design for a plow foot spring, in addition to an element that allows the foot spring to be adjusted quickly by there operator.
Date: April 24, 1917
Creator: Sanders, John T.
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for an improvement to reversible plows. The plow specified is capable of throwing dirt to both the left and right sides.
Date: January 9, 1912
Creator: Sramek, Jacob
Partner: UNT Libraries Government Documents Department

Plow Foot

Description: Patent for a plow or cultivator foot.
Date: December 19, 1916
Creator: Williams, Budicille B.
Partner: UNT Libraries Government Documents Department

Plow-Cleaning Attachment.

Description: Patent for a plow attachment to clean debris from the blades. Attachment is inexpensive and easy to install.
Date: June 11, 1918
Creator: Driver, Le Roy E.
Partner: UNT Libraries Government Documents Department

Harrow Attachment for Cultivators.

Description: Patent for a harrow which can be attached to a cultivator in place of a plow, including instructions and illustrations.
Date: January 9, 1912
Creator: Cowart, Stephen A.
Partner: UNT Libraries Government Documents Department

Grain-Drill Attachment.

Description: Patent for combining a plow and a grain drill into one device, to reduce the number of times the soil needs to be turned per planting.
Date: August 29, 1915
Creator: McAdams, William J.
Partner: UNT Libraries Government Documents Department

Spring-Wheel.

Description: Patent for a heartier spoke to be used in place of wooden spokes. This spoke can be inserted and substituted for a wooden one.
Date: November 12, 1918
Creator: Stewart, Joseph B. & Winfrey, John D.
Partner: UNT Libraries Government Documents Department

Moldboard

Description: Patent for improvements in plow mold-boards, specifically for shedding sticky soil, and includes illustrations and description.
Date: April 8, 1913
Creator: Martin, William A. & Coleman, Robert J.
Partner: UNT Libraries Government Documents Department

Moldboard.

Description: Patent for a moldboard that is used for plows. Improvements on the moldboard include a simplified method of adding plaster of Paris coating.
Date: January 6, 1914
Creator: Ferris, James S.
Partner: UNT Libraries Government Documents Department

Moldboard and Landside Plow and Gage-Wheel

Description: Patent for modifications to a plow which allow the user to adjust the depth, which lists the components of such modifications.
Date: August 3, 1915
Creator: Haferkamp, August
Partner: UNT Libraries Government Documents Department

Disk Plow.

Description: Patent for a disk plow modification, which allows the disk to be self-sharpening and automatically release accumulated garbage.
Date: November 4, 1919
Creator: Hoffman, George L.
Partner: UNT Libraries Government Documents Department

Cultivator.

Description: Patent for a cultivator attachment that adjusts the beams to various distances apart.
Date: October 28, 1919
Creator: Kubenka, Otto E. & Janszen, August W.
Partner: UNT Libraries Government Documents Department
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