UNT Libraries Government Documents Department - 8 Matching Results

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Permutation-Padlock.

Description: Patent for an improved and simple combination padlock that only opens if the operator knows the combination, and it can be used with watch charms, bracelet locks, valises, trunks, bicycles, tool chests, writing desks, store rooms, and similar articles.
Date: April 18, 1893
Creator: Sanderson, Benjamin A.
Item Type: Refine your search to only Patent

Self Cleaning Plow.

Description: Patent for a new and improved self-cleaning plow. This design consists in "[t]he combination of a mold-board having a plane face on the larger portion of its area, a blade having an axle journaled near the center of the said plane, a wheel journaled in the plow, with its rim parallel to and extending below the landside of the plow, a beveled gear-wheel upon the said wheel-axle, and another beveled wheel upon the blade-axle, engaging each other" (lines 79-87).
Date: August 18, 1885
Creator: Jones, Allen
Item Type: Refine your search to only Patent

Tire Tool

Description: Patent for a tool designed to remove the tire casings from vehicle rims and also to replace the casing back on to the rims.
Date: August 18, 1919
Creator: Rylander, William P.
Item Type: Refine your search to only Patent

Wagon

Description: Patent for "relates to the construction of wagon beds or bodies; and it has for'its object to provide a simple means for bracing such beds-or bodies to prevent the sides thereof from spreading under a load, and whereby the heavy standards usually employed may be dispensed with" (lines 23-30).
Date: March 18, 1890
Creator: Haupt, William W.
Item Type: Refine your search to only Patent
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