UNT Libraries Government Documents Department - 8 Matching Results

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Attachment for Penholders.

Description: Patent for a simple and effective attachment for penholders. It is "readily and easily attached to a penholder, and which is adapted to protect the fingers of the hand and prevent them from coming in contact with the pen or with the inked portion of the holder" (lines 15-19).
Date: November 12, 1895
Creator: McDonald, Michael Shaw
Item Type: Refine your search to only Patent

Stock-Guard.

Description: Patent for a stock-guard meant for use in railway-tracks. It has many beveled caps, "each having a flange or projection on one side, and adapted to fit over the cross-ties" (lines 46-18). There are also slats, each with a flange on its upper edge, and the slats are arranged between the caps.
Date: November 10, 1896
Creator: Lee, Jacob Martin
Item Type: Refine your search to only Patent

Ruling Machine

Description: Patent for a new and useful improvements in ruling machines. This invention is to "provide a machine of this character by means of which engravers may cut horizontal, inclined, or circular lines into the plate, or draftsmen draw the same lines upon a sheet of drawing" (line 14-18).
Date: November 30, 1897
Creator: Owen, Thomas
Item Type: Refine your search to only Patent

Rotary Engine.

Description: Patent for a simply-constructed rotary, steam-powered engine that minimizes friction and noise, and for which wear is automatically compensated. It is "capable of running at a very low or high speed without subjecting the parts to any unusual strains or wear" (lines 16-18). One lever controls the steam supply and can reverse the movement of the engine cutting off.
Date: November 3, 1896
Creator: Wilson, Alonzo T.
Item Type: Refine your search to only Patent
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