UNT Libraries Government Documents Department - 10 Matching Results

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Vehicle-Jack

Description: Patent for a vehicle jack improvements that includes "a lifting-arm or support having a flexible winding element" (lines 15-16).
Date: September 23, 1902
Creator: Zwicker, August
Item Type: Refine your search to only Patent

Telephone System.

Description: Patent for improvements to an automatic switchboard "to provide a construction of board and a connected system of wiring which will permit a subscriber at a telephone in one town to call up the operator or central at a distant point and converse with him without operating the other instruments in his town and at the same time preventing other subscribers from breaking into the line" (lines 12-20).
Date: December 23, 1902
Creator: Wright, Wayne C.
Item Type: Refine your search to only Patent

Hame-Hook

Description: Patent for "new and useful improvements in Hame-Hooks." (lines 5-6). "The object of the invention is to provide a hame-hook which shall be simple of construction, durable in use, comparatively inexpensive of production, and by means of which the tug or trace chain may be easily attached to the hame at various heights and be securely retained in position." (lines 12-18)
Date: September 23, 1902
Creator: Lindsay, George F.
Item Type: Refine your search to only Patent

Shears-Sharpener.

Description: Patent for improvement to shears sharpeners for barbers, with illustration. The device provides a means to hold the blade while the user is honing it, and could be made at a low cost.
Date: September 23, 1902
Creator: Rossler, Konrad
Item Type: Refine your search to only Patent

Rotary Force-Pump

Description: Patent for an improved type of water pump that operates using a method where "valves of each piston work parallel to each other and through the cylinders at points diagonally opposite" (lines 15-17)
Date: September 23, 1902
Creator: Frank, Samuel M.
Item Type: Refine your search to only Patent

Cotton-Sweep.

Description: Patent for cotton sweep. This invention helps in easy spreading and setting of sweeping blades, "since it provides a novel form of brace to be interposed between the blades of the sweep and the stock" (lines 15-17).
Date: December 23, 1902
Creator: Brown, Burel J.
Item Type: Refine your search to only Patent
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