UNT Libraries Government Documents Department - 9 Matching Results

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Level.

Description: Patent for a spirit level, which measures more accurately than other models and allows quicker calculation of where the wood needs to be moved to be level.
Date: November 23, 1909
Creator: Brittain, Thomas H.
Item Type: Refine your search to only Patent

Cultivator.

Description: Patent for an improvement to "shovel-plows" that "is adapted to cultivate between the rows of corn, &c., and one in which the rearwardly-extending moldboards can be adjusted [...] in case the rows are close together or far apart. The cultivator is also arranged so that the depth of the furrow can be regulated" (lines 14-21).
Date: May 28, 1901
Creator: Dinkins, James Oscar
Item Type: Refine your search to only Patent

Well-Auger.

Description: Patent for a well-boring auger is designed to improve the drilling process by multi-functional features of the auger that can be placed inside of a well-casing to cut a hole or can be used itself to cut through the casing.
Date: November 3, 1903
Creator: Hutchins, Charles N.
Item Type: Refine your search to only Patent
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