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Patent for Planter Attachment

Description: Patent for a planter attachment for cultivators that allows for replanting of crops in skips where there is a poor stand. This cultivator attachment allows for access to replant crops amongst other growing crops and plants.
Date: November 25, 1919
Creator: Wolter, Fredrich W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Crude-Oil-Refining Process.

Description: Patent for improvements in the crude oil refining processes and apparatuses. The invention focuses on creating an inexpensive and simplistic system that relies on temperature.
Date: January 25, 1921
Creator: Evans, Jewett G. P.
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Partner: UNT Libraries Government Documents Department

Grain-Toller.

Description: Patent for a simple device that's placed in a grinding mill to automatically extract and regulate the amount of grain being withdrawn.
Date: October 25, 1921
Creator: Perkins, Thomas F.
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Partner: UNT Libraries Government Documents Department

[Letter from I. H. Kempner to Roma Lipowska, July 25, 1963]

Description: Letter from I. H. Kempner to Roma Lipowska, letting her know that he has sent her the woolen coat and warning her that it will probably take a while to arrive. He also tells her that he and his wife are enjoying good health and have a fifth great-grandchild on the way.
Date: July 25, 1963
Creator: Kempner, Isaac H. (Isaac Herbert), 1873-1967
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Partner: Rosenberg Library

Drill Head For Oil Wells

Description: Patent for Drill Head for oil wells, one object of the invention is to provide a drill head having the capacity to drill through strata of soft formation as may exist between rock layers and in broken formations of clay and boulders, as well as through rock formations themselves, the said drilling head being provided with roller bits or cutters and also with a fish tail cutter.
Date: October 25, 1921
Creator: Sorensen, Sam
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Partner: UNT Libraries Government Documents Department

Canopy.

Description: Patent for a canopy for beds and sofas to keep out insects.
Date: February 25, 1908
Creator: Swanwick, Harry C.
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Partner: UNT Libraries Government Documents Department
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