UNT Libraries Government Documents Department - 239 Matching Results

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Eyeglasses

Description: Patent for "an improvement in eyeglasses; and it consists in certain novel constructions and combinations of parts" (lines 7-9), illustration and instructions included.
Date: March 13, 1900
Creator: Critzer, A. B.

Flash-Light System.

Description: Patent for new and useful flash light system where the "plurality of lights or series of lights are alternately cut into and then out of the lighting-circuit, so there are a series of flashes " (lines 10-13), including illustrations.
Date: July 31, 1900
Creator: Wright, Martin

Saw.

Description: Patent for a saw with a blade that can efficiently cut through wood and metal materials. Illustration included.
Date: July 31, 1900
Creator: Caruthers, John I.

Bit.

Description: Patent for a bridle bit that helps a handler to hold or guide an animal without harming its mouth. Illustration included.
Date: August 21, 1900
Creator: Castro, Alberto

Water-Closet Flush.

Description: Patent for a siphon flushing apparatus for water-closets in which it will regulate the quantity of the water being discharged at each flushing; at the same time it can prevent water leakage. Illustration is included.
Date: October 16, 1900
Creator: Bowman, Jonathan

Railway-Switch-Locking Device.

Description: Patent for "a switch-locking device comprising a lock contained within the switch-lever of the switch-stand, by the use of which the switch may be more quickly and positively manipulated and finally locked in position" (lines 3-7).
Date: October 30, 1900
Creator: Sulfer, Charles

Window-Screen

Description: Patent for "a new and improved window-screen which is simple and durable in construction, very effective in operation, and arranged to permit of readily placing the screen in position on the window or removing it therefrom and without requiring special runs or guideways and to allow of using the screen either inside or outside of the window, as desired" (lines 8-16)
Date: November 27, 1900
Creator: Holden, Elbridge G.
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