UNT Libraries Government Documents Department - 43 Matching Results

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Implement for Replacing Inner Tubes of Pneumatic Tires.

Description: Patent for a device for replacing the inner tubes of pneumatic tires, designed especially for bicycle tires. The device "will take hold of the end of the inner tube without liability of cutting it, and that will grip it with a degree of tightness proportionate to the amount of force required to pull it through the outer casing" (lines 41-45). This is easier than previous methods of replacing inner tubes.
Date: October 27, 1896
Creator: McCutcheon, William S.

Sash Lock and Lift

Description: Patent for sash lock and lift that "relates to improvements in devices for operating window-sashes, and especially provides an improved means for operating the upper sash and locking the same securely in any desired position with respect to the lower sash, thus obviating the necessity for reaching up for the upper sash when it is desired to raise or lower the same or to lock it in open position for the purpose of ventilation" (lines 12-21) including instructions and illustrations
Date: October 22, 1901
Creator: Schairer, John Jacob

Electrolytic Cell

Description: Patent for an electrolytic cell. "This invention relates to electrolytic cells especially adapted and intended for the electrolyzing of the sulfates of the alkalies to obtain sulfuric acid and alkaline hydrates" (lines 10-13). Illustration included.
Date: October 31, 1905
Creator: Anderson, Henry S.

Harness

Description: Patent for a harness. This invention has a breeching strap, holdback straps and traces that form a breast collar for hitching horses to a cart or wagon. Illustration included.
Date: October 9, 1906
Creator: Crawford, Hezekiah H.

Aerial Projectile and Launching Mechanism Therefor

Description: This document is a patent for the invention of the Aerial Projectile and Launching Mechanism Therefor. According to its inventor Frank M. Bell, the object of this mechanism is to fire aerial projectiles or torpedoes more accurately at their intended target. This mechanism can be called an anti-observation balloon/zeppelin weapon and it would see some usage by the Allied air forces during this conflict.
Date: October 10, 1916
Creator: Bell, Frank M.

Direction-Indicator

Description: Patent for Direction Indicator for a motorized vehicle. This particular model is electrically operated and used to indicate to other vehicles and pedestrians, what the vehicle intends to do and aims to reduce accidents.
Date: October 9, 1917
Creator: Britton, Osa Leo
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