UNT Libraries Government Documents Department - 7 Matching Results

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Car-Replacer.

Description: Patent for a car-replacer that is meant to "provide a strong and compact skid of comparatively light weight to form the body portion of the car-replacer and which shall be especially adapted to raise the car-wheels above the track, deflect toward them toward the rails until the tread of the wheels is suspended over the ball of the rails from an inclined surface terminating in a rounded end, over which the wheels move until they meet the track" (lines 12-21). The car-replacer does not have any … more
Date: October 15, 1895
Creator: Ragan, John
Item Type: Refine your search to only Patent

Insect-Exterminator.

Description: Patent for a red ant exterminator that works by "withdrawing the air from an ant-nest and substituting therefor a fluid or gas which may be ignited and thereby destroy the lives of the insects." (Lines 18-22) Includes instructions and illustrations.
Date: June 15, 1897
Creator: Schindler, Joseph
Item Type: Refine your search to only Patent

Measuring Device

Description: Patent for a measuring device specifically created for drawing circles with chalk, with the ability to increase and decrease the size of the circles being drawn without interference including illustrations and instructions.
Date: June 15, 1915
Creator: Giese, Willy
Item Type: Refine your search to only Patent

Bridle

Description: Patent for a bridle that will improve how the horse is guided and also prevent horse from running away. The device also will help prevent the horse from displacing the bridle.
Date: February 15, 1916
Creator: Hentschel, Andrew J.
Item Type: Refine your search to only Patent
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