UNT Libraries Government Documents Department - 12 Matching Results

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Burglar Alarm

Description: Patent for alarm that is activated upon the closing of a circuit, which will occur when an intruding person enters through the window or door.
Date: February 27, 1917
Creator: Hilley, Albert O.
Item Type: Refine your search to only Patent

Rail-Joint.

Description: Patent for a modification of a conventional rail joint, adding a solid abutment that allows for the use of conventional splice bars that "does not involve any appreciable increase in cost over the conventional rail joint" (lines 29-30). Includes Illustration.
Date: May 22, 1917
Creator: Baker, William E.
Item Type: Refine your search to only Patent

Paper Doll

Description: Patent for to create a more sturdy paper doll and its outfits by means of folding and using slits and adhesives to no longer require the use of tabs. Illustrations included.
Date: June 26, 1917
Creator: Ferguson, Gradele
Item Type: Refine your search to only Patent

Apparatus for Forming Gun Barrels.

Description: Patent for an apparatus for forming gun barrels that twists a sheet of metal into a tube for the gun barrel at a slight angle, while slightly flattening the tube into an oval shape. This method is supposed to create ribs within the gun barrel.
Date: September 10, 1917
Creator: Cole, William F.
Item Type: Refine your search to only Patent

Curtain and Shade Bracket.

Description: Patent for curtain and shade bracket which is readily secured to the window frame without marring the same and which is provided with adjustable means for attaching the shade and also for attaching the curtain pole, whereby from a single fixture the window shade and curtain may be suspended.
Date: October 2, 1917
Creator: Walker, Charles R.
Item Type: Refine your search to only Patent

Linotype Machine

Description: Patent for used producing lines of type, and it is the object of the invention to provide a comparatively simple, small, inexpensive and compact machine of that character generally resembling a type write in its construction and operation, and operable to produce lines of type.
Date: November 20, 1917
Creator: French, Morris
Item Type: Refine your search to only Patent
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