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in creator/contributor: "Orr, Howard D."  
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Cultivator and Planter.

Description: Patent for improvement to the "manner of mounting and adjusting the swinging frames [of planters], and to enable the said swinging frames to be readily adjusted vertically" (lines 12-15).
Date: November 6, 1900
Creator: Graves, Elbert G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Churn-Cover.

Description: Patent for improving of the churn's mechanical process by means of the construction of churn covers which prevent the liquid from splashing out the churn.
Date: October 6, 1903
Creator: Poole, Robert J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow that improves the type of plow employing "a moldboard and plowpoint or share bolted to a standard" (lines 9-11), with illustrations. This patent improves upon previous patents numbered 974,675 and 974,676 issued to the same inventor on November 1, 1910.
Date: January 6, 1920
Creator: Kelly, Robert Marvin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring-Wheel

Description: Patent for a spring wheel. Gebhardt describes the wheel as "an improvement... to provide resilient spokes which are connected to the hub and felly of the wheel in a manner to take up vibration and shocks imparted to the wheel in traveling or passing over obstructions and rough roads (p. 1, lines 8-15)." The patent also adds provisions for easy removal of spokes and a sectional felly and hub.
Date: April 6, 1920
Creator: Gebhardt, W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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