UNT Libraries Government Documents Department - 9 Matching Results

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Protractor.

Description: Patent for a new and improved protractor. This design "is to make a protractor or plotter by which may be calculated the length of the base, perpendicular, and hypotenuse of a right-angled triangle where the latitude and departure or the altitude and depression are given" (lines 15-20). To this end, it consists, "with the semicircular protractor provided with a rectangular opening the edges of which are graduated, and centrally-pivoted vernier, of the departure-scale arranged to move up or down… more
Date: June 10, 1890
Creator: Dolman, John H.
Item Type: Refine your search to only Patent

Sulky Plow

Description: Patent for a sulky plow. This invention is designed to "provide a simple, durable, and highly efficient means for angularly adjusting the rear caster or follower wheel, which runs in the newly-made furrow" (lines 16-19). Illustrations included.
Date: November 21, 1905
Creator: Zant, John S.
Item Type: Refine your search to only Patent

Cultivator Fender

Description: Patent for cultivator fenders, which will assist in tilling the earth for proper planting methods. This invention will allow for the removal of weeds close to plants without burying the plants in soil.
Date: November 16, 1917
Creator: William M. Peel
Item Type: Refine your search to only Patent

Carpenter's Tool.

Description: Patent for carpenter's tool that has an "adjustable pattern" that can assist in "determining the exact size and configuration of the space in which a stair tread or riser is adapted to be fitted" (lines 9 - 12).
Date: February 11, 1919
Creator: McDermett, Jim E.
Item Type: Refine your search to only Patent
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