UNT Libraries Government Documents Department - 11 Matching Results

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Cell Tester

Description: Patent for a portable device that can test battery cells to determine if they are outputting the normal current, of if voltage has dropped.
Date: October 24, 1916
Creator: Luthy, Joseph O.
Item Type: Refine your search to only Patent

Scoop

Description: Patent for a self adjusting scoop, that can be used to measure quantities of items such as grain, and contains the component of a self leveler for accuracy.
Date: October 24, 1916
Creator: Read, William W.
Item Type: Refine your search to only Patent

Flash-Light

Description: Patent for flashlights to provide certain new and useful improvements designed and adapted for use in the handles of umbrellas, canes, and the like. The invention comprises a metallic tube or sleeve adapted to be inserted into a bore of an umbrella handle or sleeve having an enlargement in which a bulb carrier is mounted and over the end of the lens. The configuration will not interfere with the free use of the handle. There is a special construction of the circuit closer to the metallic sleev… more
Date: August 24, 1915
Creator: Matthies, Gustav & Rehberg Jr., August
Item Type: Refine your search to only Patent

Rain-Water Cut-Off.

Description: Patent for a rain water cut-off that can direct the flow of water to one of two pipes. It allows rain water carrying dust and debris from the gutter to be directed to a waste receptacle that can later be switched to direct clean running rain water to a second pipe to different receptacle to be collected.
Date: August 24, 1915
Creator: Crandall, Grover C. & Smith, Zay
Item Type: Refine your search to only Patent

Spring Wheel

Description: Patent for a spring wheel design that will "effectually resist both the vertical and lateral stresses to which the wheel is subjected when in use" (lines 11-13), including illustrations.
Date: February 24, 1914
Creator: Mathiesen, Marius
Item Type: Refine your search to only Patent
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